infall

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English[edit]

Etymology[edit]

From in- +‎ fall.

Pronunciation[edit]

  • (noun) IPA(key): /ˈɪnfɔːl/
  • (file)
  • (verb) IPA(key): /ɪnˈfɔːl/
  • (file)

Noun[edit]

infall (countable and uncountable, plural infalls)

  1. The act or process of falling in.
  2. An incursion; an inroad.
    • 1650, Oliver Cromwell, a letter
      we learn that Ker , with his Western Army , was lying at a place called Carmunnock , when he made this infall upon Lambert
  3. (countable) The area where water, storm runoff, etc., enters a storm drain.
  4. (astronomy, uncountable) Movement towards a massive astronomical body under the influence of gravity; especially the process whereby gas falls towards a neutron star or black hole at high speed, forming a plasma

Verb[edit]

infall (third-person singular simple present infalls, present participle infalling, simple past infell, past participle infallen)

  1. (intransitive) To fall in.
  2. (intransitive, astronomy) To undergo infall.
    • 1997, Bo Reipurth, Claude Bertout, Herbig-Haro flows and the birth of low mass stars:
      After this time the beam mass loss rate decreases since once the expansion wave radius is larger than the beam, material initially outside the beam starts to infall and compensate for material which is collapsing at centre of the core [...]

Derived terms[edit]

References[edit]

Anagrams[edit]

Swedish[edit]

Etymology[edit]

Deverbal from falla in (to realize). Cognate of Danish indfald, Middle Low German and Dutch inval, German Einfall.

Pronunciation[edit]

Noun[edit]

infall n

  1. a sudden idea, a whim

Declension[edit]

Declension of infall 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative infall infallet infall infallen
Genitive infalls infallets infalls infallens

See also[edit]

References[edit]