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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - (physics) a movement up and down or back and forth; Wavelike motion.

Usage examples (37)
  • There are two motions of the waves -- one up and down, which we call undulation, the other to and fro, which we call fluctuation.
  • The undulation is the work of two collaborators: it expresses both the nature of the object which provokes it and that of the nervous apparatus which is its vehicle.
  • There is a kind of undulation in the popularity of the great writers, even of the first rank.
  • No undulation of air can there convey sound, song, or speech. for more
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