plural of 2-12-0

(organic chemistry) The crown ether 1,4,7,10-tetraoxacyclododecane

(US, education) kindergarten through twelfth grade.

(idiomatic) The activity of drinking beer.

plural of 2-12-2

plural of 4-12-2

plural of 2-12-4

Under the Whyte notation system, a steam locomotive that has a single-axle leading truck followed by six powered driving axles, and no trailing wheels.

Under the Whyte notation system, a steam locomotive, with six axles connecting twelve powered driving wheels, and no leading wheels or trailing wheels.

A timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem and post meridiem.