Boost your vocab and unleash your potential!

Recently viewed words:
Definitions of perturbation
  1. noun
    a disposition that is confused or nervous and upset

    Similar: 

    type of:
  2. noun
    activity that is a malfunction, intrusion, or interruption
    "the term `distress' connotes some degree of perturbation and emotional upset"

    Similar: 

    type of:
  3. noun
    the act of causing disorder

    Similar: 

    type of:
  4. noun
    an unhappy and worried mental state

    Similar: 

    type of:
  5. noun
    (physics) a secondary influence on a system that causes it to deviate slightly
    type of:
Definition that contains perturbation
  • elves an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
  • variation (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
  • oort cloud (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
My lists:
Recently viewed words: