Standard Lemma guide

maser

noun · 5 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.

  • General-American: /ˈmeɪzɚ/
  • rhymes with -eɪzə(ɹ)
  • UK: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M EY1 Z ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

a device for the coherent amplification or generation of electromagnetic radiation (especially of microwave frequency) by the use of excitation energy in resonant atomic or molecular systems

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any celestial object that generates microwaves using the same method

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Obsolete spelling of mazer.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, countable, obsolete, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Acronym of microwave amplification by the stimulated emission of radiation.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, acronym, alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: amplifier

Narrower terms: gas maser

History

Etymology

From MASER, acronym of microwave amplification by stimulated emission of radiation.

See mazer.

Across languages

Translations

10 source translations are retained for this English entry.

  • Catalan: màser — beam of microwaves
  • Chinese Mandarin: 激微波 (jīwéibō) — beam of microwaves
  • Esperanto: masero — beam of microwaves
  • Finnish: maser — beam of microwaves
  • French: maser — beam of microwaves
  • German: Maser — beam of microwaves
  • Italian: maser — beam of microwaves
  • Japanese: メーザー (mēzā) — beam of microwaves
  • Korean: 메이저 (meijeo) — beam of microwaves
  • Russian: ма́зер (mázer) — beam of microwaves