Meaning of “compound” - Learner’s Dictionary


noun [ C ] us uk /ˈkɒmpaʊnd/

a substance that is a combination of two or more elements:

Water is a compound of hydrogen and oxygen.

an area of land with a group of buildings surrounded by a fence or wall:

a prison compound
GRAMMAR also compound noun/verb/adjective

a noun, verb, or adjective that is made by two or more words used together. For example, 'golf club' is a compound.

(Definition of “compound noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)