English Explanatory Dictionary

ninth

English dictionary entry

Meanings

adj

The ordinal form of the number nine.

noun

The person or thing in the ninth position.
One of nine equal parts of a whole.
The compound interval between any tone and the tone represented on the ninth degree of the staff above it, as between one of the scale and two of the octave above; the octave of the second, consisting of 13 or 14 semitones (called minor and major ninth).

verb

To lose a ninth.
To divide by nine.

Pronunciation

nīnth /naɪnθ/ en-us-ninth.ogg

Word forms

ninth nineth ninths ninthing ninthed

Etymology

From Middle English nynthe, nynte, from Old English niġoþa, from Proto-Germanic *newundô; the -n- was reinserted by analogy with nine. Equivalent to nine + -th (ordinal suffix).

Synonyms

Derived words

ninthly augmented ninth bottom of the ninth curse of the ninth diminished ninth eighty-ninth fifty-ninth forty-ninth forty-ninth parallel major ninth minor ninth ninety-ninth ninth chord ninth cranial nerve ninth grade ninth grader ninth-inning one-ninth one ninth seventy-ninth sixty-ninth thirty-ninth twenty-ninth

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