English Dictionary

Definition of “phase

phase (feɪzPronunciation for phase

Definitions

noun

  1. any distinct or characteristic period or stage in a sequence of events or chain of development  ⇒ there were two phases to the resolution his immaturity was a passing phase 
  2. astronomy one of the recurring shapes of the portion of the moon or an inferior planet illuminated by the sun  ⇒ the new moon, first quarter, full moon, and last quarter are the four principal phases of the moon 
  3. physics 
    1. the fraction of a cycle of a periodic quantity that has been completed at a specific reference time, expressed as an angle
    2. ((as modifier)  ⇒ a phase shift 
  4. physics a particular stage in a periodic process or phenomenon
  5. See in phase
  6. See out of phase
  7. chemistry a distinct state of matter characterized by homogeneous composition and properties and the possession of a clearly defined boundary
  8. zoology a variation in the normal form of an animal, esp a colour variation, brought about by seasonal or geographical change
  9. biology (usually in combination) a stage in mitosis or meiosis  ⇒ prophase metaphase 
  10. electrical engineering one of the circuits in a system in which there are two or more alternating voltages displaced by equal amounts in phase (sense 5) See also polyphase (sense 1)
  11. (in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by (in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by to,  as in (in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by as in I managed to do it,  or (in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by as in or -ing,  as in (in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by as in or as in we heard him singing

verb (tr)

  1. (often passive) to execute, arrange, or introduce gradually or in stages  ⇒ a phased withdrawal 
  2. (sometimes foll by with) to cause (a part, process, etc) to function or coincide with (another part, process, etc)  ⇒ he tried to phase the intake and output of the machine he phased the intake with the output 
  3. mainly US to arrange (processes, goods, etc) to be supplied or executed when required

Alternative Forms

ˈphaseless adjective ˈphasic ˈphaseal adjective

Word Origin

C19: from New Latin phases,  pl of phasis,  from Greek: aspect; related to Greek phainein to show

Usage examples

  • She's going through a really hyperactive phase at the moment.
    Hugo Wilcken, THE EXECUTION (2002)
  • But the song only sounded right if the lungs and the vocal folds vibrated with particular phase differences.
    New Scientist (2003)
  • By the end of the second phase , the facility will employ 280 people.
    Irish Times (2002)
  • So interest was bound to be intense in the second phase of the scheme.
    Glasgow Herald (2001)
  • Remember, taking time to savour your past and clarify your present will revitalise you for the next phase ahead.
    Carole Gaskell, YOUR POCKET LIFE COACH: 10 minutes a day to transform your life and your work (2001)

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