To pronounce "thermionics", say THERM-ion-ics — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
thermionics
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3
Syllables
11
Letters
THERM-ion-ics
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"thermionics" has 3 syllables: therm-ion-ics.
noun
"Thermionics" has 3 syllables: therm · ion · ics.
Thermionics: The science dealing with thermionic emission.
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