classification

B2 Topic:Biology & Genetics

US /ˌklæsɪfɪˈkeɪʃən/ See IPA manual

Freq #26288

Meanings

1

noun
The act of arranging things into groups based on shared qualities.

The classification of plants into families helps scientists study them.
2

noun
A group or category that something is placed into.

This book falls under the fiction classification.
3

noun
An official decision to keep documents or information secret.

The files have a high security classification.

Thesaurus

Synonyms

1 noun · the act of arranging things... categorization

Word family

Forms classifications

Appears in

Phrases (1)

See all

classification system
an organized method of placing things into groups based on shared features

Noun + noun

Etymology

Etymology tree Proto-Indo-European *kelh₁-der. Proto-Italic *klāssis Latin classislbor. French classe Proto-Indo-European *dʰeh₁-der. Proto-Italic *-fakāō Latin -ficōder. French -ifier French classifier Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ation Middle French -ation French -ation French classificationbor. English classification Borrowed from French classification.

classification French

View etymology graph ->

Topics

Biology & Genetics Actions & Processes

External links

# classification

**Type:** Word
**Level:** B2
**Part of speech:** noun
**IPA (US):** /ˌklæsɪfɪˈkeɪʃən/
**Frequency rank:** 26288

## Meanings
1. The act of arranging things into groups based on shared qualities.
2. A group or category that something is placed into.
3. An official decision to keep documents or information secret.

## Examples
- The classification of plants into families helps scientists study them.
- This book falls under the fiction classification.
- The files have a high security classification.

## Roots and Affixes
- Root: classification

## Etymology
Etymology tree Proto-Indo-European *kelh₁-der. Proto-Italic *klāssis Latin classislbor. French classe Proto-Indo-European *dʰeh₁-der. Proto-Italic *-fakāō Latin -ficōder. French -ifier French classifier Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ation Middle French -ation French -ation French classificationbor. English classification Borrowed from French classification.

## AI Etymology
classification is a noun. It was borrowed from French classification. Historical forms in the chain include classification (French). Current senses include the act of arranging things into groups based on shared qualities, a group or category that something is placed into, and an official decision to keep documents or information secret.

## Topics
- Biology & Genetics
- Actions & Processes

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