Latin & Greek prefixes Flashcards
a-
not, without. Eg.: abyss - without bottom; achromatic - without color
acro-
top, height, tip. Eg.: acrobat - “high” walker; acrophobia - fear of heights
an-
not, without. Eg.: anhydrous - without water
aer-
air. Eg.: aerate - to let air reach something; aerial - relating to the air
aero-
air. Eg.: aerospace - the air space
agr-
farming. Eg.: agrarian - relating to the management of land
agri-
farming. Eg.: agriculture - management of the land
ana-
up, back, against. Eg.: analysis - a close examination of something
andr
man, male. Eg.: misandry - hatred toward men
andro-
man, male. Eg.: androgynous - being both male and female; android - resembling a human
anthro
human. Eg.: philanthropy -the love to mankind (through good deeds)
anthro-
human. Eg.: anthropomorphism - giving human form to non-living things
anti-
against, opposite of. Eg.: antiseptic - preventing infection; antisocial - against social norms
apo-
away, off, separate. Eg.: apology - an explicit expression of regret
arch
chief, most important. Eg.: matriarch - a female who rules a group; monarch - king or queen
arch-
chief, most important. Eg.: archbishop - highest ranking bishop; archenemy - worst enemy
arch-
primitive, ancient. Eg.: archaeology - the study of ancient cultures; archaic - belonging to an earlier period
aster-
space. Eg.: asterisk - a star shaped sign used as a reference tool
arthri-
joint, jointed. Eg.: arthritis - inflammation of a joint; arthroscope - a tool to see inside
astro-
star, stars, outer space. Eg.: astronomer - someone who studies the stars; astronaut - someone who travels to the stars
auto-
self. Eg.: autocrat - a person who governs with absolute power; automatic - moving by itself
bar-
pressure, weight. Eg.: baric - pertaining to pressure; baryon - heavy elementary particle
biblio-
book. Eg.: bibliophile - a person who loves books; bibliography - a list of books used as sources
bio-
life, living, matter. Eg.: biology - science of life; biography - a life story written by another person
blast
cell, primitive, immature cell. Eg.: fibroblast - a cell that forms connective tissue
blast-
cell, primitive, immature cell. Eg.: blastula - an early stage of embryonic development
cardi-
heart. Eg.: cardiac - relating to the heart; cardiologist - heart doctor
cata-
completely, intensive, according to. Eg.: cataclysm - a flood or other disaster; catalog - complete listing; catastrophe - disaster
caut
to burn. Eg.: holocaust - total devastation, especially by fire
caut-
to burn. Eg.: cauterize - to burn with a hot instrument; caustic - capable of burning or eating away
centr
center. Eg.: egocentric - self-centered; eccentric - not having a common center
centr-
center. Eg.: centrifugal - moving outward from a center
cephal
head. Eg.: encephalitis - inflammation of the brain
cephal-
head. Eg.: cephalopod - marine mollusks with tentacles growing from their head; cephalic - pertaining to the head
chrom
color, pigment. Eg.: achromatic - without color
chrom-
color, pigment. Eg.: chromium - a blue-white element; chromatics - the study of color
chrono
time. Eg.: synchronize - happening at the same time
chrono-
time. Eg.: chronic - lasting for a long time; chronological - arranging events in time order
chrys-
gold, yellow. Eg.: chrysanthemum - golden/yellow flowers
cosm
universe. Eg.: microcosm - a miniature universe
cosm-
universe. Eg.: cosmonaut - a Russian astronaut; cosmos - the universe
crani-
skull. Eg.: cranium - skull of vertebrates; cranial - pertaining to the skull; craniology - the study of skull characteristics
crypto-
hidden, secret. Eg.: cryptography - science of secret codes; cryptic - of hidden meaning
cycl
circle, ring. Eg.: bicycle - a vehicle with two wheels
cycl-
circle, ring. Eg.: cycle - a sequence that is repeated; cyclone - a storm with whirling winds
dec-
ten. Eg.: decade - 10 years; December - formerly the 10th month of the Roman calendar
dem
people. Eg.: spreading among people in a region
demo-
people. Eg.: democracy - government of the people; demographic - the study of people
dendr
tree. Eg.: philodendron - a climbing plant that grows on trees
dendr-
tree. Eg.: dendrochronology - dating events by studying growth in tree rings
derm
skin. Eg.: pachyderm - a class of animals with very thick skin
derm-
skin. Eg.: dermatologist - a doctor for the skin; dermatitis - inflammation of the skin
di-
two, twice. Eg.: dichromatic - displaying two colors; dilemma - a situation that requires a choice between two alternatives
dia-
through, between, apart, across. Eg.: diagnosis - understanding a condition by going through a detailed review; dialog - conversation between two people
dyn-
power, energy, strength. Eg.: dynamo - generator of energy; dynamite - powerful explosive; dynamic - having great physical energy/power
dys-
abnormal, bad. Eg.: dyspepsia - abnormal digestion; dystopia - an imaginary place of misery
ego
self. Eg.: alter ego - a higher aspect of oneself
ego-
self. Eg.: egoistic - self-centered; egomania - excessive preoccupation with oneself
endo-
within, inside. Eg.: endotherm - a creature that can keep its inside temperature fairly constant; endogamy - the custom to marry within one’s clan, tribe, etc.
epi-
on, upon, over, among, at, after, to, outside. Eg.: epidemic - the rapid spread of something negative; epilogue - a short speech delivered after a play
erg
work. Eg.: energy - the power to accomplish work; energetics - the science that looks at energy and its transformation
erg-
work. Eg.: ergonomics - the study of a working environment
ethn-
race, people. Eg.: ethnic - pertaining to a defined group of people; ethnocentric - focusing on the ethnicity of people
eu-
good, well. Eg.: euphemism - replacing an offensive word with an inoffensive one; euphoria - feeling of well-being
gastr-
stomach. Eg.: gastric - pertaining to the stomach; gastritis - inflammation of the stomach
gen-
birth, production. Eg.: genealogy - the study of the history of a family; generation - all the people born at approximately the same time
geo-
earth, soil, global. Eg.: geography - study of the earth’s surface; geology - study of the structure of the earth
ger-
old age. Eg.: geriatrics - medicine pertaining to the elderly; gerontology - the study of aging
giga-
a billion. Eg.: gigabyte -unit of computer storage space; gigawatt - a billion watts
gon
angle. Eg.: decagon - a polygon with 10 angles; octagon - a geometrical figure with 8 angles
gram
letter, written. Eg.: diagram - a simple drawing; telegram - a message sent by telegraph
gram-
letter, written. Eg.: grammar - rules of how to write words in sentences
graph
writing, recording, written. Eg.: autograph - written by one’s own hand; seismograph - a machine noting strength and duration of earthquakes
graph-
writing, recording, written. Eg.: graphology - the study of handwriting
gyn-
woman, female. Eg.: gynecology - the science of female reproductive health; gynecoid - resembling a woman
hect-
hundred. Eg.: hectoliter - 100 meters; hectare - 100 acres
helic-
spiral, circular. Eg.: helicopter - an aircraft with horizontal rotating wings; helix - a spiral form
helio-
sun. Eg.: heliograph - apparatus used to send message with help of sunlight;
hemi-
half, partial. Eg.: hemicycle - a semicircular structure; hemisphere - one half of the earth
hem-
blood. Eg.: hemorrhage - clotting of the blood; hemoglobin - red blood particle
hept-
seven. Eg.: heptagon - a shape with 7 angles; heptameter - a line of verse containing 7 metrical feet
hetero-
different, other. Eg.: heterogeneous - made up of unrelated parts; heteronyms - words with same spelling but different meanings
hex-
six. Eg.: hexagon - shape with 6 angles; hexapod - having 6 legs
histo-
tissue. Eg.: histology - study of the microscopic structure of tissues
homo-
like, alike, same. Eg.: homogeneous - of the same nature or kind; homonym - something alike
hydr-
water, liquid. Eg.: hydrate - to add water to; hydrophobia - intense fear of water; hydraulic - operated by force of a liquid
hygr-
moisture, humidity. Eg.: hygrometer - tool used to measure humidity
hyper-
too much, over, excessive. Eg.: hyperactive - very restless; hypercritical - too critical; hypertension - above normal pressure
hyp-
under. Eg.: hypothermia - abnormally low body temperature
iatr
medical care. Eg.: geriatrics - medical care of the elderly; pediatrician - doctor who treats children
icon-
image. Eg.: icon - an (often religious) image; iconoclast - someone who destroys religious images and religious beliefs
idio-
peculiar, personal, distinct. Eg.: idiomatic - peculiar to a particular language, idiosyncrasy - a physical or mental characteristic
kilo-
thousand. Eg.: kilobyte - 1,000 bytes; kilometer - 1,000 meters
kine
motion. Eg.: telekinesis - the ability to move object with your mind
leuk-
white, colorless. Eg.: leukemia - abnormal increase in white blood cells; leukocyte - a mature white blood cell
lex
word, law, reading. Eg.: alexia - loss of the ability to read
lex-
word, law, reading. Eg.: lexicology - the study and history of words
lip-
fat. Eg.: liposuction - the mechanical removal of fat; lipoid - resembling fat
lite
mineral, rock, fossil. Eg.: apatite - a group of common minerals
lith
mineral, rock, fossil. Eg.: monolith - a single great stone often in the form of an obelisk or column
log
word, doctrine, discourse. Eg.: monologue - a long speech; analogy - similarity, especially between things otherwise dissimilar
log-
word, doctrine, discourse. Eg.: logic - correct reasoning
macro-
large, great. Eg.: macroevolution - large scale evolution; macroeconomics - study of overall forces of economy
mania
madness, insanity, excessive desire. Eg.: maniac - an insane person
mania-
madness, insanity, excessive desire. Eg.: bibliomania - a crazy love of books; egomania - a mad love of oneself
mega-
great, large, million. Eg.: megalopolis - an area with many, nearby cities; melanoma - malignant, dark tumor of the skin
meso-
middle. Eg.: Mesoamerica - Middle America; meson - elementary particle with a mass between an electron and a proton
meta-
change, after, beyond, between. Eg.: metaphysics - study of nature and reality; metastasis - the transmission of disease to other parts of the body
meter
measure. Eg.: audiometer - an instrument that measures hearing acuteness; chronometer - an instrument that measures time
micro-
very small, short, minute. Eg.: microbe - a very small living thing; microscope - a device to see very small things
mid-
middle. Eg.: midriff - that area between the chest and the waist; midterm = middle of a term in school
mis-
bad, badly, wrong, wrongly, to hate. Eg.: misbehave - to behave badly; misprint - an error in printing
mon-
one, single, alone. Eg.: monochromat - having one color; monologue - a speech given by one person
morph
form. Eg.: metamorphosis - complete change in form; amorphous - without distinct shape or form
necr-
dead, death. Eg.: necrophile - loving death; necrosis - the death of tissue due to disease or injury
nephro-
kidney. Eg.: nephritis - inflammation of the kidneys; nephrostomy - surgical incision of the kidney
neur-
nerve. Eg.: neuralgia - pain along a nerve; neurologist - doctor specializing in the nerves
oct-
eight. Eg.: octagon - a figure with 8 angles; octopus - sea animal with 8 arms
od
path, way. Eg.: diode - an electron tube having 2 electrodes, a cathode and an anode
od-
path, way. Eg.: odometer - an instrument attached to a vehicle to measure distance
op-
eye, visual condition, sight. Eg.: optic - relating to the eyes; optician - a person who fits eyeglasses
ortho-
straight. Eg.: orthodontist - a dentist that straightens teeth; orthopedic - doctor who is concerned with proper alignment of bones
osteo-
goes beyond, surpasses. Eg.: osteoarthritis - inflammation caused by degeneration of the joints; osteology - the study of bones
oxi-, oxy-
sharp. Eg.: oxymoron - combining two ideas that sharply contradict each other; oxidize - corrode a surface
pale-
ancient. Eg.: paleontology - study of ancient fossils; Paleolithic - period of the Stone Age
pan-
all, any, everyone. Eg.: panacea - a cure for all diseases or problems; panorama - an all-around view; pandemic - affecting all
para-
beside, beyond, abnormal. Eg.: parasite - an organism that lives on and off another living being; parallel - alongside and always an equal distance apart
pater-, patr-
father. Eg.: paternal - relating to fathers; patriarch - a man who rules a group
pent-
five. Eg.: pentagon - having 5 angles and sides; pentagram - a 5-pointed star, especially in magic
pept, peps
digestion. Eg.: dyspepsia - abnormal digestion; peptic - aiding digestion
peri-
around, enclosing. Eg.: periodontal - pertaining to bone and tissue around a tooth; perimeter - the outer boundary of an area
phag
to eat. Eg.: esophagus - muscular tube that carries food to the stomach
phil-
love, friend. Eg.: philanthropist - one who loves humanity
phon
sound. Eg.: cacophony - loud unpleasant sound; microphone - a device that records and amplifies sound
phot-
light. Eg.: photogenic - caused by light; photograph - image made on light-sensitive film
phyll
leaf. Eg.: chlorophyll - a group of green pigments found in leaves
phyll-
leaf. Eg.: phyllite - a rock that forms sheets, similar to slate
phys-
nature, medicine, the body. Eg.: physical - relating to the body; physician - doctor
phyt
plant, to grow. Eg.: epiphyte - a plant growing independently on the surface of another; neophyte - a beginner
plas
to form, development. Eg.: protoplasm - something that is first made or formed
plas-
to form, development. Eg.: plastic - able to be formed
pneum-
breathing, lung, air, spirit. Eg.: pneumonia - inflammation of the lungs; pneumatic - using the force of air
pod-
foot. Eg.: podiatrist - a doctor of the feet; podium - a small platform to stand upon
poli
city. Eg.: metropolis - a large city
poli-
city. Eg.: police - people who work for the government in order to enforce laws; politics - actions of a government or political party
poly-
many, more than one. Eg.: polychrome - with many colors; polyglot - a person fluent in many languages
pro-
before, in front of, for, forward. Eg.: prognosis - a prediction of what will happen; prologue - a passage before the main part
prot-
primitive, first, chief. Eg.: prototype - the first of a kind; proton - one of the very basic parts of an atom
pseud-
wrong, false. Eg.: pseudonym - a fictitious name; pseudoscience - theories presumed without proof of a scientific nature
psych-
mind, mental. Eg.: psyche - the human spirit or soul; psychic - relating to the human mind or someone who has supernatural mental abilities
pyr-
fire, heat. Eg.: pyrometer - a thermometer for measuring high temperature; pyrotechnics - the art of making fireworks
rhin-
nose. Eg.: rhinoceros - a species of animals with a big horn on the snout; rhinoplasty - surgery of the nose
rhod-
red. Eg.: rhododendron - a flower with red/pink flowers
rrh
flow, discharge. Eg.: hemorrhage - heavy blood flow
scler-
hard. Eg.: multiple sclerosis - disease which causes the tissue of the brain and spinal cord to harden
scop
see, examine, observe. Eg.: microscope - a device used to see tiny places; periscope - a seeing instrument on a submarine
soph
wise. Eg.: philosopher - a wise person
soph-
wise. Eg.: sophisticated - wise about the ways of the world; sophism - a clever but misleading argument
sphere
ball. Eg.: biosphere - the whole round surface of the earth; hemisphere - half the earth spherically shaped like a ball
sym-, syn-
together, with, same. Eg.: symmetry - similarity in size, form, or arrangement; synergy - the combined effect
tax
arrangement. Eg.: syntax - the systematic arrangement of words
tax-
arrangement. Eg.: taxonomy - the science of classification
techno-
technique, skill. Eg.: technology - the practical application of knowledge
tel-
far, distant, complete. Eg.: telescope - a device to view distant objects; telephone - a device to talk with a distant person
the-
put. Eg.: theme - a proposition for discussion or argument
therm-
heat. Eg.: thermal - relating to heat; thermos - an insulated jar that keeps heat in
tri-
three, once in every three, third. Eg.: triangle - a figure with 3 sides and 3 angles; tricycle - a 3-wheel vehicle with pedals
xen-
foreign. Eg.: xenophobic - afraid of foreigners; xenophile - attracted to foreigners
xer-
dry. Eg.: xerophyte - a plant that grows in a dry climate; xeric - requiring small amounts of moisture
xyl-
wood. Eg.: xyloid - resembling wood
zo-
animal life. Eg.: zoology - study of animals; zooid - resembling an animal
zyg
pair. Eg.: zygomorphic - pertaining to organisms that can be divided into symmetrical halves along one axis only
a-
on. Eg.: afire - on fire; ashore - on the shore
ab-
from, away, off. Eg.: abduct - carry away from; abnormal - away from normal; aside - on the side
a-
to, toward, near. Eg.: accelerate - to increase the speed of; accessible - easily entered, approached, or obtained
act
do. Eg.: interaction - communication between two or more things
act-
do. Eg.: activity - something that a person does
agr-
farming. Eg.: agriculture - management of the land
alg
pain. Eg.: neuralgia - pain caused by a nerve; nostalgia - aching for the familiar; analgesic - drug that relieves pain
ambi-, amphi
both, on both sides. Eg.: ambiguous - having more than one meaning; ambivalence - conflicting or opposite feelings toward a person or thing
ambul-
walk, move. Eg.: ambulance - a vehicle that moves a patient; ambulant - walking or moving around
ami-, amo-
love. Eg.: amiable - friendly; amorous - showing romantic love
anim
life, spirit. Eg.: equanimity - of balanced spirit
anim-
life, spirit. Eg.: animal - a living organism; animate - to make alive
ann-
year. Eg.: anniversary - a date observed once a year
ante-
before, in front. Eg.: anteroom - a small room before the main room
aqu-
water. Eg.: aquarium - a water container for fish; aqueduct - a pipeline for water
arbor-
tree. Eg.: arborist - someone working with trees; arbor - a shady area formed by trees