Standard Lemma guide

pliotron

noun · 1 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: /ˈplaɪ.ə(ʊ)ˌtɹɒn/
General-American: /ˈplaɪ.əˌtɹɑn/
General-American: /-.oʊˌ-/

noun

Meaning 1

A hard vacuum triode.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Originally a trademark of General Electric, who began producing them in 1915.

Word forms

Inflections and variants

pliotrons — plural

Word family

Derived and related words

Derived: none provided

Related: none provided

Semantic map

Other relationships

Sources

Where this information comes from

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