Word Pronunciation & Dictionary

mastodon

/ˈmæs.tə.dɑn/

Word Rarity Rare

Frequency: Zipf frequency 2.55 in modern English

Syllables
mas-to-don
IPA
/ˈmæs.tə.dɑn/
11
Scrabble Score
8
Letters
3
Syllables
7
Unique Chars

Meaning

noun

Extinct elephant-like mammal of the genus †Mammut that flourished worldwide from Miocene through Pleistocene times; differs from elephants and mammoths in the form of the molar teeth.

noun

A nickname for both the 4-8-0 and (though erroneously) the 4-10-0 train configurations.

Example Sentences

Etymology

First attested 1813, from translingual Mastodon (1806), coined by French naturalist Georges Cuvier, from masto- (“breast”) + -odon (“tooth”), due to the mammilloid (“nipple-shaped”) projections on the crowns of the extinct mammal's molars.

Word Breakdown

Regional Pronunciation

  • American English: /ˈmæs.tə.dɑn/
  • British English: /ˈmæs.tə.dɒn/

Inflected Forms

Derived Forms

Mastodon mastodonian mastodonic mastodonlike mastodontid Masto mastocel

Phrases

Frequently Paired Words

Synonyms

Questions

How do you pronounce mastodon?
The recorded pronunciation is /ˈmæs.tə.dɑn/.
What does mastodon mean?
Extinct elephant-like mammal of the genus †Mammut that flourished worldwide from Miocene through Pleistocene times; differs from elephants and mammoths in the form of the molar teeth.
Where does mastodon come from?
First attested 1813, from translingual Mastodon (1806), coined by French naturalist Georges Cuvier, from masto- (“breast”) + -odon (“tooth”), due to the mammilloid (“nipple-shaped”) projections on the crowns of the extinct mammal's molars.

How to pronounce mastodon

  1. Open the pronunciation page — Open the Speakur entry for “mastodon”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈmæs.tə.dɑn/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “mastodon”.
  4. Repeat and practice — Say “mastodon” aloud, matching stress and vowels until it feels natural.