To pronounce "semidiameter", say SEM-id-iam-et-er — 5 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
semidiameter
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5
Syllables
12
Letters
SEM-id-iam-et-er
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"semidiameter" has 5 syllables: sem-id-iam-et-er.
noun
"Semidiameter" has 5 syllables: sem · id · iam · et · er.
Semidiameter: The apparent radius of a star etc, when viewed from Earth.
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