▸ cardinal number
(plural zeros)
1 no quantity or number; nought; the figure 0:
figures from zero to nine
you've left off a zero—it should be five hundred million.
▪ a point on a scale or instrument from which a positive or negative quantity is reckoned:
the gauge dropped to zero
[as modifier] a zero rate of interest.
▪ the temperature corresponding to 0° on the Celsius scale (32° Fahrenheit), marking the freezing point of water:
the temperature was below zero.
▪ [usually as modifier] Linguistics the absence of an actual word or morpheme to realize a syntactic or morphological phenomenon:
the zero plural in ‘three sheep’.
▪ the lowest possible amount or level; nothing at all:
I rated my chances as zero.
▪ short for zero hour
2 informal, derogatory a worthless or contemptibly undistinguished person:
her husband is an absolute zero.
– PHRASAL VERBS
– ORIGIN early 17th century: from French zéro or Italian zero, via Old Spanish from Arabic ṣifr ‘cipher’.