Dictionary

infall en · NOUN

Pronunciation

• /ˈɪnfɔːl/
• (Southern-England) audio

Etymology

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.

Meanings

1. (countable, uncountable) The act or process of falling in.
2. (countable, uncountable) 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. (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

Forms

infall en · VERB

Pronunciation

• /ɪnˈfɔːl/
• (Southern-England) audio

Etymology

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.

Meanings

1. (intransitive) To fall in.
2. (intransitive) To undergo infall.
   • 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 [...] 1997, Bo Reipurth, Claude Bertout, Herbig-Haro flows and the birth of low mass stars:

Forms

Deriveds

infalling