Standard Lemma guide

activation

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.

  • Received-Pronunciation: /ˌæktɪˈveɪʃn̩/
  • General-American: /ˌæktəˈveɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: AE2 K T AH0 V EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Making active and effective; bringing into a state of activity.

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

The process of making a radioisotope by bombarding a stable element with neutrons or protons.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The process by which molecules are made able to react.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The promotion of a brand through an event or campaign.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: business, marketing

Examples

  • using shopper activation to convert shoppers into buyers

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

making active and effective (as a bomb)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: deactivation

Broader terms: beginning, start, commencement

6

noun

Meaning 6

the activity of causing to have energy and be active

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: energizing, activating

Antonyms: none provided

Broader terms: activity

Narrower terms: electrification, vivification, invigoration, animation

7

noun

Meaning 7

stimulation of activity in an organism or chemical

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: inactivation

Broader terms: stimulation

Narrower terms: indweller

History

Etymology

Etymology tree Proto-Indo-European *h2eǵ- Proto-Indo-European *-eti Proto-Indo-European *h2éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation ▲ English active Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-tós Proto-Indo-European *-eh2tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate ▲ English -ation English -ion English activation From active or activate + -ation

Across languages

Translations

44 source translations are retained for this English entry.

  • Bulgarian: активи́ране (aktivírane) — making active
  • Catalan: activació — making active
  • Chinese Mandarin: 激活 (jīhuó) — making active
  • Czech: aktivace — making active
  • Esperanto: aktivigo — making active
  • Esperanto: funkciigo — making active
  • Finnish: aktivointi — making active
  • Finnish: aktivaatio — making active
  • French: activation — making active
  • Georgian: აქტივაცია (akṭivacia) — making active
  • Georgian: გააქტიურება (gaakṭiureba) — making active
  • German: Aktivierung — making active
  • German: Aktivieren — making active
  • Hungarian: aktiválás — making active
  • Icelandic: virkjun — making active
  • Indonesian: pengaktifan — making active
  • Indonesian: aktivasi — making active
  • Italian: attivazione — making active
  • Norman: activisâtion — making active
  • Polish: aktywacja — making active
  • Polish: uaktywnianie — making active
  • Portuguese: ativação — making active
  • Romanian: activație — making active
  • Romanian: activare — making active
  • Russian: актива́ция (aktivácija) — making active
  • Russian: активиза́ция (aktivizácija) — making active
  • Serbo-Croatian: aktivácija — making active
  • Slovak: aktivizácia — making active
  • Spanish: activación — making active
  • Tagalog: sabilos — making active
  • Turkish: aktivasyon — making active
  • Ukrainian: актива́ція (aktyvácija) — making active
  • Vietnamese: kích hoạt — making active
  • French: activation — making radioisotope
  • German: Aktivierung — making radioisotope
  • Italian: attivazione — making radioisotope
  • Portuguese: activação — making radioisotope
  • Spanish: activación — making radioisotope
  • Finnish: aktivaatio — process through which molecules are made able to react
  • French: activation — process through which molecules are made able to react
  • Italian: attivazione — process through which molecules are made able to react
  • Portuguese: ativação — process through which molecules are made able to react
  • Spanish: activación — process through which molecules are made able to react
  • Tagalog: sabilos — process through which molecules are made able to react
Real reading context

activation in complete knowledge articles