diastema

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They have a pair of incisor teeth in the upper and lower jaws, separated from the molars by a large gap (diastema).

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Definitions (6)

Toggle American Heritage definitions American Heritage Dictionary (1)

  1. noun A gap or space between two teeth.

Toggle Century definitions Century Dictionary (3)

Toggle GNU Webster definitions GNU Webster's 1913 (1)

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Examples

  • They have a pair of incisor teeth in the upper and lower jaws, separated from the molars by a large gap (diastema). —  11. Rodent pests
  • The teeth of the Gorilla, on the contrary, exhibit a break, or interval, termed the 'diastema', in both jaws: in front of the eye-tooth, or between it and the outer incisor, in the upper jaw; behind the eyetooth, or between it and the front false molar, in the lower jaw. —  Lectures and Essays
  • In such a genus as 'Cebus', for example (Figure 17), it will be found that while in some secondary points, such as the projection of the canines and the diastema, the resemblance to the great ape is preserved; in other and most important respects, the dentition is extremely different. —  Lectures and Essays
  • In such a genus as 'Cebus', for example (Fig. 17), it will be found that while in some secondary points, such as the projection of the canines and the diastema, the resemblance to the great ape is preserved; in other and most important respects, the dentition is extremely different. —  On the Relations of Man to the Lower Animals
  • (or "diastema" as it is called) between the four front teeth or incisors of the upper jaw and the upper canine -- which allows the lower canine to fit in front of the upper canine when the jaw is closed. —  More Science From an Easy Chair
 

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Late Latin diastēma, interval, from Greek, from diistanai, diastē-, to separate; see diastasis.

Toggle Century etymologies Century Dictionary (1)

  1. Late Latin, an interval, especially in music, from Greek διἀστημα, an interval, difference, from difference, from διαστῆναι, separate: see diastasis.
 

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/daɪəˈstimə/
by American Heritage

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