barn2 /bɑːn / b


I. noun

[Physics] a unit of area, 10−28 square metres, used especially in particle physics.
– origin 1940s: apparently from the phrase as big as a barn door.

Add Comment

By Oxford


Get in touch

Quickly communicate covalent niche markets for maintainable sources. Collaboratively harness resource sucking experiences whereas cost effective meta-services.