(biology) Fertilization involving the fusion of the male and female gametes outside the bodies of the reproducing individuals.

(computing) a coupling where two modules share an externally imposed communication protocol, data format, or device interface

plural of external coupling

plural of external conflict

plural of external fertilization

(phonology, grammar) Sandhi that occurs between two words.

plural of external world

(anatomy) Ellipsis of external oblique muscle..

An externality (negative or positive) that affects the production side of a market.

(anatomy) The ear canal.