oscillation

noun os·cil·la·tion \ ˌä-sə-ˈlā-shən \

Definition of oscillation

1 :the action or state of oscillating
  • stays can be effectively used to prevent oscillations in new bridges
  • —D. B. Steinman
2 :variation, fluctuation
  • famines due to excessive storminess and violent oscillations of rain and drought, heat and cold
  • —Ellsworth Huntington
3 :a flow of electricity changing periodically from a maximum to a minimum; especially :a flow periodically changing direction
4 :a single swing (as of an oscillating body) from one extreme limit to the other
  • Each oscillation of the pendulum represents one second.

oscillational

play \ˌä-sə-ˈlā-shnəl, -shə-nᵊl\ adjective

Examples of oscillation in a Sentence

  1. the continued oscillation of the fan

  2. There has been oscillation between optimism and pessimism among voters.

Recent Examples of oscillation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oscillation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oscillation

1658


OSCILLATION Defined for English Language Learners

oscillation

noun

Definition of oscillation for English Language Learners

  • : the act of regularly moving from one position to another and back to the original position

  • : a frequent change from one state, position, or amount to another

  • : the act of changing from one belief, feeling, etc., to an opposite one


Medical Dictionary

oscillation

noun os·cil·la·tion \ ˌäs-ə-ˈlā-shən \

medical Definition of oscillation

1 :the action or state of oscillating
2 :a flow of electricity changing periodically from a maximum to a minimum; especially :a flow periodically changing direction


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