plural of fold

Third-person singular simple present indicative form of fold

plural of folding

An optical system in which prisms and/or mirrors are used to reduce the overall physical length of the system.

(geology) A mountain created when two tectonic plates collide into each other, head on.

Alternative spelling of folded up

simple past tense and past participle of fold up

Having been folded; having many folds.

plural of folded mountain

(slang) Banknotes, paper money.