momentaneous

adjective

mo·​men·​ta·​ne·​ous

¦mōmən‧¦tānēəs

1

: momentary sense 1a

the rapid momentaneous association of things which meet and pass

—D. H. Lawrence

2

archaic : instantaneous

in which momentaneous explosion of the whole quantity all the force consists

—William Clarke

3

of an aspect or form of a verb : of, relating to, or characterizing action begun and terminated in an instant

momentaneously adverb

momentaneousness noun

plural -es

Word History

Etymology

Late Latin momentaneus, from Latin momentum moment + -aneus (as in subterraneus subterranean)

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