twelve o'clock; midnight; noon
falling into straitened circumstances; downfall; ruin
insignificant; trifling; paltry; cottage (industry); tiny (company)
zero degrees (Celsius); freezing point; zero (on a scale)
zero (points, marks); no marks; zero (of a function); root; zero degrees (Celsius); freezing point
small business; micro-enterprise; microenterprise
bulbil (esp. of a Japanese yam); propagule; brood bud
under 1 year old (of a baby); (lit.) 0 years old
going undefeated; losing without scoring a point; whitewash; being shut out
zero-point vibration; zero-point motion
being ruined (reduced to poverty); falling low; going under; coming to ruin
blowing in the wind (e.g. leaf, petal); wandering; roaming; being ruined (reduced to poverty); falling low
fragmentary remains of a large set of writings; the odd volume; a few pages
zero divisor; null factor; nil factor
null set; set of measure zero