term 2 Flashcards
noun U
the study in mathematics of lines, shapes, curves, etc
geometry
noun C
a line that bends round
curve
eg a curve on a graph
noun
1 U/C the amount of space that sth contains or fills
volume
1 What is the volum of this sphere?
noun C
1 any round object shaped like a ball
sphere
adj. spherical
noun
1 C a size, amount, etc that is found by measuring
measurement
1 What are the exact measurements of the room ( how wide, long, etc is it ? )
noun C
a measure of land
acre
0.405 of a hectare
a farm of 20 acres
noun C
a measurement of land ; 10000 square meters
hectare
noun C
( grammar ) a noun, ending in -ing, that has been made from a verb
gerund
( used to form compound adjectives ) having the number of dimensions mentioned
dimensional
eg. a three-dimensional object
noun
1 C/U a measurement of a length, width or height of sth
2 pl the size of sth including its length, width and height
dimension
2 eg to measure the dimensions of a room
prefix. ( in nouns )
1 one hundred
2 ( often used in units of measurement ) one hundredth
centi
1 centipede
2 centimetre
verb
to take one number or quantity away from another
subtract
n. subtraction
eg If you subtract five from nine you get four.
noun C
a shape with four straight sides and four angles of 90 degrees. Two of the sides are longer than the other two.
rectangle
syn oblong
adj rectangular
noun
1 C a shape that has five straight and equal sides
pentagon
noun C
an expensive flat at the top of a tall building
penthouse
verb
( used about a large number of people) to go and live and work in another place
noun
migrate
eg Many country people were forced to migrate to the cities to look for work.
noun migration
eg
verb
to leave your own country to go and live in another
noun
emigrate
eg They emigrated from Ireland to Australia twenty years ago.
noun emigration
noun C
a person who has come into a foreign country to live there permanently
immigrant
eg The government plans to tighten controls to prevent illegal immigrants.
noun. U
1 the process of coming to live permanently in a country that is not your own; the number of people who do this
immigration
eg There are greater controls on immigration than there used to be.
noun C
a shape with six sides
adj
hexagon
adj. hexagonal
noun C
a flat shape with seven straight sides and seven angles
adj
heptagon
adj. heptagonal
noun C
a shape that has eight straight sides
adj
octagon
adj. octagonal
noun C
a flat shape with at least three, and usually five or more, angles and straight sides
adj
polygon
adj. polygonal
noun C
1 a shape that has three straight sides
triangle
eg. a right-angled triangle
adj. triangular