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momentaneous

adjective mo·men·ta·ne·ous \ ¦mōmən‧¦tānēəs \

Definition of momentaneous

1 : momentary 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
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momentaneously

adverb
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momentaneousness

noun, plural -es

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Origin and Etymology of momentaneous

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

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