mo·men·ta·ne·ous | \ ¦mōmən‧¦tānēəs \
Definition of momentaneous
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
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