unit27 Flashcards
nanotechnology
The science of manipulating materials on an atomic or molecular scale, especially to build microscopic devices such as robots.
nanosecond
One billionth of a second.
nanostructure
An arrangement, structure, or part of something of molecular dimensions.
nanoparticle
A tiny particle whose size is measured in billionths of a meter.
superfluous
Beyond what is needed; extra.
insuperable
Incapable of being solved or overcome.
supersede
To take the place of; to replace with something newer or more useful.
superlative
Supreme, excellent.
debase
To lower the value or reputation of someone or something.
defamation
The harming of someone’s reputation by libel or slander.
degenerative
Causing the body or part of the body to become weaker or less able to function as time passes.
dejection
Sadness, depression, or lowness of spirits.
null
(1) Having no legal power; invalid. (2) Having no elements.
nullity
(1) Nothingness. (2) A mere nothing.
nullify
(1) To cancel legally. (2) To cause something to lose its value or to have no effect.
annulment
An official statement that something is no longer valid.
armada
A large group of warships or boats.
armistice
An agreement to stop fighting a war; a truce.
armory
A place where weapons are made or stored.
disarming
Tending to remove any feelings of unfriendliness or distrust.
upsurge
A rapid or sudden increase or rise.
insurgency
A usually violent attempt to take control of a government; a rebellion or uprising.
counterinsurgent
A person taking military or political action against guerrillas or revolutionaries.
resurgent
Rising again into life, activity, or prominence.
stratum
(1) A layer of a substance, especially one of a series of layers. (2) A level of society made up of people of the same rank or position.
stratification
The process or state of being formed, deposited, or arranged in layers.
substrate
(1) An underlying layer. (2) The base on which an organism lives.
stratocumulus
A low-lying cloud formation appearing as extensive and often dark horizontal layers, with tops rounded into large balls or rolls.
lateral
Of or relating to the side.
bilateral
Involving two groups or countries.
collateral
(1) Associated but of secondary importance. (2) Related but not in a direct or close way.
equilateral
Having all sides or faces equal.
appendectomy
Surgical removal of the human appendix.
gastrectomy
Surgical removal of all or part of the stomach.
tonsillectomy
Surgical removal of the tonsils.
mastectomy
Surgical removal of all or part of the breast.
iatrogenic
Caused accidentally by medical treatment.
bariatric
Relating to or specializing in the treatment of obesity.
geriatric
Of or relating to old people.
podiatrist
A doctor who treats injuries and diseases of the foot.