# truncation

> English word · Noun · IPA /tɹʌŋˈkeɪʃən/ · frequency rank #68,709

## Definitions
1. The act of truncating or shortening (for example, words are shortened to form blend words or portmanteaus).
2. The removal of the least significant digits from a decimal number.
3. An operation in any dimension that cuts a regular polytope at its vertices, creating a new facet in place of each vertex.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/truncation