EN[tuːθ] [-uːθ] [Midlands usually tʊθ] [-ʊθ]
  • A tooth (plural teeth) is a small, calcified, whitish structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores, also use teeth for hunting or for defensive purposes.
  • The general structure of teeth is similar across the vertebrates, although there is considerable variation in their form and position. The teeth of mammals have deep roots, and this pattern is also found in some fish, and in crocodilians.
  • Some animals develop only one set of teeth (monophyodont) while others develop many sets (polyphyodont). Sharks, for example, grow a new set of teeth every two weeks to replace worn teeth.

    Definition of tooth in English Dictionary

  • NounPLteeth
    1. A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.
      1. A sharp projection on the blade of a saw or similar implement.
        1. A projection on the edge of a gear that meshes with similar projections on adjacent gears, or on the circumference of a cog that engages with a chain.
          1. (botany) A pointed projection from the margin of a leaf.
            1. (animation) The rough surface of some kinds of cel or other films that allow better adhesion of artwork.
              1. (figuratively) taste; palate.
                1. I have a sweet tooth: I love sugary treats.
            2. VerbSGtoothsPRtoothingPT, PPtoothed
              1. To provide or furnish with teeth.
                1. To indent; to jag.
                  1. to tooth a saw
                2. To lock into each other, like gear wheels.
                3. More Examples
                  1. Used in the Middle of Sentence
                    • You will probably have to pull teeth to get a straight answer from a car salesman.
                    • Modern Gymnarchus have teeth that vary in shape from incisiform at the symphysis to caniniform distally on the jaw.
                    • He cut his teeth flying model airplanes as a child, so aeronautical engineering came naturally.
                  2. Used in the Beginning of Sentence
                    • Tooth implantation is subthecodont as μCT images show that the teeth sit in shallow sockets (but see below).
                  3. Used in the Ending of Sentence
                    • I took a tumble down the stairs and broke my tooth.
                    • External cervical resorption is the loss of dental hard tissue as a result of odontoclastic action; it usually begins on the cervical region of the root surface of the teeth.
                    • A box of Cracker Jacks is enough for two, unless one of the two has a sweet tooth.
                • Word Lists (This word is listed in the following word lists)
                  1. Wiktionary : 1000 English basic words
                  2. Wiktionary : Frequency lists 1-10000
                  3. SCOWL (And Friends) : Alan Beale, 12dicts 4.0 Compiled from 3 ESL Dictionaries
                • Part-of-Speech Hierarchy
                  1. Nouns
                    • Nouns with irregular plurals
                      • Countable nouns
                      • Verbs

                      Other Vocabulary

                      Look-Alike Words
                      1. en booth
                      2. en toot
                      3. en toots
                      4. en Booth
                      5. en twoth
                      Related Links:
                      1. en toothache
                      2. en toothless
                      3. en toothed
                      4. en toothpick
                      5. en toothsome
                      Source: Wiktionary
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                      Meaning of tooth for the defined word.

                      Grammatically, this word "tooth" is a noun, more specifically, a nouns with irregular plural and a countable noun. It's also a verb.
                      Difficultness: Level 2
                      Easy     ➨     Difficult
                      Definiteness: Level 9
                      Definite    ➨     Versatile