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An official statement that something is no longer valid.