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Definition of tooth

tooth

/tuːθ/
tooth

Plural:teeth
•
Adjective:toothy
•
Past Simple:toothed
•
Past Participle:toothed
•
Present Participle:toothing
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tooth Lexical Profile

tooth Game Scores & Validity

• noun

1

One of the hard, white, calcified structures rooted in the jaws of vertebrates, used for biting and chewing food.

Example

"She brushed her teeth twice a day to maintain healthy gums and prevent cavities."


2

A projecting part resembling a tooth in shape or function, particularly one of the row of points on a saw, comb, or gear.

Example

"One broken tooth on the primary gear was enough to jam the entire machine."


3

The slight roughness or grain on the surface of paper or canvas that allows drawing media such as graphite, charcoal, or pastel to adhere.

Example

"The artist specifically chose a watercolor paper with heavy tooth to hold the multiple layers of soft pastel."

Synonyms
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• verb

1

To provide, furnish, or cut with teeth or toothlike projections.

Example

"The skilled metalworker carefully toothed the edge of the custom circular saw blade."


2

To interlock or mesh together (specifically referring to the cogs of gears).

Example

"The intricately milled gears toothed perfectly, allowing the grandfather clock's mechanism to run smoothly."

Synonyms
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• Rhymes for tooth

Word Origin & Etymology

From Old English 'tōth', of Germanic origin; related to Dutch 'tand' and German 'Zahn', from an Indo-European root shared by Latin 'dens' and Greek 'odous'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Tooth. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/tooth
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