plural of 0-4-0+0-4-0

Under the Whyte notation system, a Mallet-type locomotive with no leading truck, two sets of four driving wheels, and no trailing truck.

Under the Whyte notation system, a Mallet-type locomotive with no leading truck, two sets of eight driving wheels, and no trailing truck.

Under the Whyte notation system, a Mallet-type locomotive with no leading truck, two sets of six driving wheels, and no trailing truck.

December 31

(computing) Alternative spelling of zero-day.

(computing) Alternative spelling of zero-day.

Abbreviation of zero microgravity. / Abbreviation of zero gravity.

plural of 0-day

(automotive) A performance measure for automobiles, that measures elapsed distance. The automobile travelling at 60 mph (roughly 100 km/h) brakes to a stop, giving a stopping distance or braking distance, depending on measurement method.