Standard Lemma guide

detection

noun · 7 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.

  • UK, US: /dɪˈtɛk.ʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • Australian: /dɪˈtek.ʃən/
  • rhymes with -ɛkʃən
  • CMU ARPABET: D IH0 T EH1 K SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The act or process of detecting, uncovering, or finding out, the discovery of something new, hidden, or disguised.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Synonym of accusation, the exposure of concealed information about a crime or heresy.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: accusation

Antonyms: none provided

3

noun

Meaning 3

The act or process of finding or detecting an electrical signal in a carrier wave.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: business, electrical, electrical-engineering, electricity, electromagnetism, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the act of detecting something; catching sight of something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: catching, espial, spying, spotting

Antonyms: none provided

Broader terms: discovery, find, uncovering

5

noun

Meaning 5

a police investigation to determine the perpetrator

Definition source: Princeton WordNet 3.0

Examples

  • detection is hard on the feet

Meaning relationships

Synonyms: detecting, detective work, sleuthing

Antonyms: none provided

Broader terms: police work, police investigation

6

noun

Meaning 6

the perception that something has occurred or some state exists

Definition source: Princeton WordNet 3.0

Examples

  • early detection can often lead to a cure

Meaning relationships

Synonyms: sensing

Antonyms: none provided

Broader terms: perception

7

noun

Meaning 7

the detection that a signal is being received

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: signal detection

Antonyms: none provided

Broader terms: reception

History

Etymology

Learned borrowing from Latin dētēctiōnem. By surface analysis, detect + -ion.

Across languages

Translations

38 source translations are retained for this English entry.

  • Bulgarian: откриване (otkrivane) — act of detecting or sensing something
  • Bulgarian: разкриване (razkrivane) — act of detecting or sensing something
  • Catalan: detecció — act of detecting or sensing something
  • Finnish: havaitseminen — act of detecting or sensing something
  • Finnish: löytäminen — act of detecting or sensing something
  • French: détection — act of detecting or sensing something
  • German: Detektion — act of detecting or sensing something
  • Greek: ανίχνευση (aníchnefsi) — act of detecting or sensing something
  • Indonesian: deteksi — act of detecting or sensing something
  • Irish: lorgaireacht — act of detecting or sensing something
  • Irish: brathadóireacht — act of detecting or sensing something
  • Italian: identificazione — act of detecting or sensing something
  • Italian: investigazione — act of detecting or sensing something
  • Italian: rilevazione — act of detecting or sensing something
  • Italian: rilevamento — act of detecting or sensing something
  • Korean: 탐지 (tamji) — act of detecting or sensing something
  • Korean: 수색 (susaek) — act of detecting or sensing something
  • Latin: detectio — act of detecting or sensing something
  • Occitan: deteccion — act of detecting or sensing something
  • Persian: شناسایی (šenâsâyi) — act of detecting or sensing something
  • Polish: wykrycie — act of detecting or sensing something
  • Polish: wykrywanie — act of detecting or sensing something
  • Polish: detekcja — act of detecting or sensing something
  • Portuguese: detecção — act of detecting or sensing something
  • Portuguese: deteção — act of detecting or sensing something
  • Romanian: detecție — act of detecting or sensing something
  • Russian: выявле́ние (vyjavlénije) — act of detecting or sensing something
  • Russian: обнаруже́ние (obnaružénije) — act of detecting or sensing something
  • Spanish: detección — act of detecting or sensing something
  • Swedish: fynd — act of detecting or sensing something
  • French: détection — the finding out of a constituent, a signal, an agent or the like
  • Indonesian: deteksi — the finding out of a constituent, a signal, an agent or the like
  • Italian: rilevamento — the finding out of a constituent, a signal, an agent or the like
  • Italian: detezione — the finding out of a constituent, a signal, an agent or the like
  • Portuguese: detecção — the finding out of a constituent, a signal, an agent or the like
  • Portuguese: deteção — the finding out of a constituent, a signal, an agent or the like
  • Russian: детекти́рование (detektírovanije) — the finding out of a constituent, a signal, an agent or the like
  • Spanish: detección — the finding out of a constituent, a signal, an agent or the like
Real reading context

detection in complete knowledge articles