Standard Lemma guide

pyrotron

noun · 2 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

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  • Received-Pronunciation: /ˈpaɪ.ɹə(ʊ)ˌtɹɒn/
  • General-American: /ˈpaɪ.ɹəˌtɹɑn/
  • General-American: /-.ɹoʊˌ-/

1

noun

Meaning 1

A magnetic mirror.

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

A notional subatomic particle invented to explain cases of spontaneous human combustion.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From pyro- + -tron.