[os-uh-leyt] /ˈɒs əˌleɪt/

verb (used without object), oscillated, oscillating.
to swing or move to and fro, as a pendulum does.
to vary or vacillate between differing beliefs, opinions, conditions, etc.:
He oscillates regularly between elation and despair.
Physics. to have, produce, or generate .
Mathematics. (of a function, sequence, etc.) to tend to no limit, including infinity:
The sequence 0, 1, 0, 1, … oscillates.
verb (used with object), oscillated, oscillating.
to cause to move to and fro; vibrate.
(intransitive) to move or swing from side to side regularly
(intransitive) to waver between opinions, courses of action, etc
(physics) to undergo or produce or cause to undergo or produce oscillation

1726, back-formation from oscillation, or else from Latin oscillatus, past participle of oscillare (see oscillation). From 1917 in electronics. Related: Oscillated; oscillating.

oscillate os·cil·late (ŏs’ə-lāt’)
v. os·cil·lat·ed, os·cil·lat·ing, os·cil·lates

os’cil·la’tor n.
os’cil·la·to’ry (-lə-tôr’ē) adj.


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  • Oscillating-universe

    noun, Astronomy. 1. a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction. oscillating universe (ŏs’ə-lā’tĭng) A model of a closed universe in which the expansion of the universe slows and reverses, causing a collapse into a singularity, which then explodes into a new universe, repeating the cycle. […]

  • Oscillating universe theory

    noun 1. the theory that the universe is oscillating between periods of expansion and collapse

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