infall

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. The act or process of falling in. countable,uncountable
  2. An incursion; an inroad. countable,uncountable
    — 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. The area where water, storm runoff, etc., enters a storm drain. countable
  4. 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 uncountable
动词 v.
  1. To fall in. intransitive
  2. To undergo infall. intransitive
    — 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 [...]

词形变化

infalls plural infalls present,singular,third-person infalling participle,present infell past infallen participle,past

词汇关系

衍生词
infalling

词源

词源 1
Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Italic *n̥-
Latin in-bor.
Middle English in-
English in-
English fall
English infall
From in- + fall.
词源 2
Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Italic *n̥-
Latin in-bor.
Middle English in-
English in-
English fall
English infall
From in- + fall.
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