/ˈnaɪn.ti/

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Meaning

The number 90, nine tens.

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Word origin

From Old English hundnigontig, nine tens, later shortened to nigontig.

Origin
Old English
Root
hundnigontig
English cognates
nine, nineteen

Examples

e .

.

The film is 90 minutes long.

.

She lived to be 90.

.

90% of the class passed the test.

nineties.

They met between 1990 and 1999.

Where this fits

Used in

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English · Free printables

ninety: worksheet, infographic and listicle

Free printable study downloads for the English word "ninety" (The number 90, nine tens.): a worksheet with the answer key built in, an infographic, and a sentence listicle. Open any one to view, print or save.

This word is taught in chapter 1, lesson 16: Number house three: twenty to a hundred.