plural of 2-10-2

Under the Whyte notation system, a steam locomotive that has two leading wheels arranged in a leading truck, ten coupled driving wheels and four trailing wheels in a trailing truck.

Under the Whyte notation system, a steam locomotive that has four leading wheels on a leading truck followed by ten coupled driving wheels, and no trailing wheels.

Under the Whyte notation system, a steam locomotive that has ten coupled driving wheels followed by two trailing wheels, with no leading wheels.

(organic chemistry) The common name for undecylenic acid.

Alternative form of ten points to Gryffindor

(bowling) A split where the farthest-left and farthest-right pins are the only pins left standing.

Measles; rubeola; 7-day measles.

The geographic region between 10 degrees north and 40 degrees north latitude, especially when considered as a target for Christian missionary work.

plural of 7-10 split