deciduous tooth

noun

Any tooth that falls out as later teeth grow in or as other existing teeth move to take its place.

Similar
primary toothbaby toothmilk tooth
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Meanings

noundeciduous tooth (plural deciduous teeth)

plural deciduous teeth

  1. anatomyAny tooth that falls out as later teeth grow in or as other existing teeth move to take its place.
  2. particularly anatomydentistryA baby tooth or milk tooth which is replaced by later permanent teeth in animals displaying diphyodonty.

Synonyms & antonyms

nounone of the first temporary teeth of a young mammal (one of 20 in children)

Similar
primary toothbaby toothmilk tooth
Broader
tooth
Also see
baby toothmilk toothprimary tooth

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

deciduous tooth. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/deciduous%20tooth

MLA

“deciduous tooth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deciduous%20tooth. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “deciduous tooth,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/deciduous%20tooth.

Source: deciduous tooth on Wiktionary, CC BY-SA 4.0.