A distinction, particularity, or distinguishing feature.
A crisis or turning point; A situation that changes how the future will unfold.
A pattern or organizing principle that forms the basis of moral judgements.
A visible dividing line where two structures come together.
Anything that acts by contrast to emphasise the characteristics of something.
Thin aluminium/aluminum (or, formerly, tin) used for wrapping food.
A thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency.
A very thin sheet of metal.
A thin layer of metal put between a jewel and its setting to make it seem more brilliant.
A very thin sword with a blunted (or foiled) tip
In literature, theatre/theater, etc., a character who helps emphasize the traits of the main character and who usually acts as an opponent or antagonist, but can also serve as the sidekick of the protagonist.
One of the incorrect answers presented in a multiple-choice test.
A stylized flower or leaf.
Failure when on the point of attainment; defeat; frustration; miscarriage.
The track of an animal.
To expand a product of two or more algebraic expressions, typically binomials.
To blunt; to dull; to spoil.
To prevent (someone) from accomplishing something.
To prevent (something) from being accomplished.
To cover or wrap with foil.