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infall

Upper-Intermediate (B2)

IPA: /ɪnˈfɔːl/

KK: /ɪnˈfɔl/

noun
Definition

The act of falling towards a large astronomical object due to its gravitational pull, often referring to gas moving rapidly towards a neutron star or black hole, or the area where water and runoff enter a drainage system.


Example

The infall of gas into the black hole created a bright flash of light.


Conversation
Sloth A
Did you see how quickly the water can infall into that storm drain during the rain?
Sloth B
Yeah, it was pretty impressive to watch all that water rush in!
Sloth A
I never realized how important those drains are to prevent flooding.
Sloth B
Absolutely, they really help manage the water flow during storms.

Synonyms & Antonyms
Synonyms
descent
fall
drop
Antonyms
ascent
rise
climb
Root Explanation

The word 'infall' originates from the Latin 'infallere', which is formed from 'in-' (meaning not) and 'fallere' (meaning to deceive or fail). Thus, 'infall' refers to the concept of not failing or being incapable of error.

Memory Tip

Think of 'not failing' — 'in-' means not, and 'fallere' means to fail. This helps you remember that 'infall' refers to something that does not fail.

Visually Confused Words
pinfall
windfall
rainfall
onfall
inwall
infill
fall
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