(language education, grammar) A structure used to talk about general truths or facts, containing an "if" clause (with a verb in the present tense) and a main clause (with a verb in the present tense).

plural of zero conditional

plural of zealous witness

(finance) A promissory note that pays at maturity the value of the note with no separate interest payments, the effective interest arising from the discounted purchase price.

(idiomatic) To change from a negative to a positive outcome; to improve one's fortunes significantly. / (idiomatic) To become very popular after being unpopular.

The most common species of zebra, Equus quagga (formerly Equus burchellii)

plural of zebra crossing

(biochemistry) the major structural protein of the peripheral myelin sheath

(mathematics, of a function) Being equal to the zero function and not merely zero at a particular point in its domain.

plural of zero-order hold