Standard Lemma guide

truncation

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /tɹʌŋˈkeɪʃən/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: T R AH1 NG K EY2 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The act of truncating or shortening (for example, words are shortened to form blend words or portmanteaus).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The removal of the least significant digits from a decimal number.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An operation in any dimension that cuts a regular polytope at its vertices, creating a new facet in place of each vertex.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: rectification

4

noun

Meaning 4

the act of cutting short

Definition source: Princeton WordNet 3.0

Examples

  • it is an obvious truncation of the verse
  • they were sentenced to a truncation of their limbs

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: shortening

5

noun

Meaning 5

the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: carving, cutting

6

noun

Meaning 6

the property of being truncated or short

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: shortness

Antonyms: none provided

Broader terms: lowness

History

Etymology

From Late Latin truncātiō, from Latin truncāre, past participle truncātus (“to cut off”). By surface analysis, truncate + -ion.

Across languages

Translations

16 source translations are retained for this English entry.

  • Bulgarian: скъсяване (skǎsjavane) — act of truncating
  • Bulgarian: съкращаване (sǎkraštavane) — act of truncating
  • French: troncature — act of truncating
  • Greek: αποκοπή (apokopí) — act of truncating
  • Greek: περικοπή (perikopí) — act of truncating
  • Hindi: छिन्न (chinna) — act of truncating
  • Japanese: 短縮 (tansyuku) — act of truncating
  • Māori: poronga — act of truncating
  • Russian: усече́ние (usečénije) — act of truncating
  • Russian: уреза́ние (urezánije) — act of truncating
  • Swedish: avkortning — act of truncating
  • Bulgarian: закръгляване (zakrǎgljavane) — removal of the least significant digits from a decimal number
  • Greek: αποκοπή (apokopí) — removal of the least significant digits from a decimal number
  • Russian: усече́ние (usečénije) — removal of the least significant digits from a decimal number
  • Greek: κολόβωση (kolóvosi) — replacement of a solid angle by a plane
  • Russian: усече́ние (usečénije) — replacement of a solid angle by a plane