seism

C2+ Topic:Nature & Landscape

US /ˈsaɪzəm/ UK /ˈsaɪzəm/ See IPA manual

noun

Meanings

1

noun
an earthquake or earth tremor

The instruments recorded a faint seism deep beneath the ridge.

Thesaurus

Synonyms

1 noun · an earthquake or earth tremor earthquake tremor temblor quake

Word family

Derived forms seismicseismal

Related forms seismic seismographseismology

Etymology

From Ancient Greek 'seismos' ('a shaking, earthquake'), from 'seiein' ('to shake').

seismos Ancient Greek seiein Ancient Greek

View etymology graph ->

Topics

Nature & Landscape

# seism

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

## Meanings
1. an earthquake or earth tremor

## Examples
- The instruments recorded a faint seism deep beneath the ridge.

## Synonyms
- earthquake
- tremor
- temblor
- quake

## Derived Forms
- seismic
- seismal

## Related Forms
- seismic
- seismograph
- seismology

## Roots and Affixes
- Root: seismos
- Root: seiein

## Etymology
From Ancient Greek 'seismos' ('a shaking, earthquake'), from 'seiein' ('to shake').

## AI Etymology
Seism comes from Ancient Greek 'seismos' ('a shaking, earthquake'), from 'seiein' ('to shake'). The historical chain includes Ancient Greek seismos and Ancient Greek seiein. Older glosses in the chain include "seismos", "a shaking, earthquake", "seiein", and "to shake", which help explain the semantic range of the modern word. Morphologically, seism is best read as borrowing, yielding an English noun shaped by both form history and later usage. In current English it functions as a noun, with the sense "an earthquake or earth tremor". English derivatives include seismic and seismal; related forms include seismic, seismograph, and seismology. The result is an English noun whose etymology preserves the older forms while supporting the word's specialized modern meaning.

## Topics
- Nature & Landscape

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