subsidence

C2+ Topic:Mathematics & Measurement

US /səbˈsaɪdns/ UK /səbˈsaɪdəns/ See IPA manual

noun

Meanings

1

noun
the gradual caving in or sinking of an area of land

Groundwater extraction caused widespread subsidence across the valley floor.

Thesaurus

Synonyms

1 noun · the gradual caving in or... sinking settling collapse cave-inslumpingabatement

Opposites

uplift rise elevation

Word family

Related forms subside reside preside sediment

Etymology

From Latin subsidentia, from subsidēre ('to settle down, sink'), from sub- ('down, under') + sidēre ('to sit, settle'), related to sedēre ('to sit').

sub Latin sidēre Latin *sed- Proto-Indo-European

View etymology graph ->

Topics

Mathematics & Measurement Word Formation & Derivatives

# subsidence

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** səbˈsaɪdns
**IPA (UK):** səbˈsaɪdəns

## Meanings
1. the gradual caving in or sinking of an area of land

## Examples
- Groundwater extraction caused widespread subsidence across the valley floor.

## Synonyms
- sinking
- settling
- collapse
- cave-in
- slumping
- abatement

## Antonyms
- uplift
- rise
- elevation

## Related Forms
- subside
- reside
- preside
- sediment

## Roots and Affixes
- Root: sub
- Root: sidēre
- Root: *sed-

## Etymology
From Latin subsidentia, from subsidēre ('to settle down, sink'), from sub- ('down, under') + sidēre ('to sit, settle'), related to sedēre ('to sit').

## AI Etymology
Subsidence is from Latin subsidentia, from subsidēre ('to settle down, sink'), from sub- ('down, under') + sidēre ('to sit, settle'), related to sedēre ('to sit'). Important recorded forms include sub (Latin), sidēre (Latin), and *sed- (Proto-Indo-European). Morphologically, the sub- element contributes the sense of under, below, secondary status, or movement from beneath, with the base naming the field of application. The modern sense continues the older lexical line without requiring a separate origin. In current use it covers the gradual caving in or sinking of an area of land. The wider family includes related words such as subside, reside, preside, and sediment.

## Topics
- Mathematics & Measurement
- Word Formation & Derivatives

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