(physics) A stable isotope, ¹⁰₅B, having five protons and five neutrons, that makes up about 20% of natural boron; it is a good absorber of slow neutrons and is used as a radiation shield in Geiger counters

(UK politics) Synonym of 10 Downing Street.

Alternative form of 10s

Alternative form of count to ten

plural of 10-20

(psychology) The 1994 revision of the International Classification of Diseases, published by WHO.

Alternative spelling of grade ten

Alternative spelling of tenbagger

plural of 10-bagger

Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, ten coupled driving wheels, and one pair of trailing wheels.