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diastema

American  
[dahy-uh-stee-muh] / ˌdaɪ əˈsti mə /

noun

PLURAL

diastemata
  1. Cell Biology.  the modified protoplasm at the equator of a cell, existing before mitotic division.

  2. Dentistry.  a space between two teeth, especially a space between a canine and an incisor of the upper jaw into which a lower canine occludes.


diastema British  
/ ˌdaɪəˈstiːmə /

noun

  1. an abnormal space, fissure, or cleft in a bodily organ or part

  2. a gap between the teeth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diastema

1350–1400; Middle English < Late Latin < Greek: interval, equivalent to diastē, variant stem of diastánai to stand apart + -ma noun suffix denoting the result of action

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The underlying cause of the diastema needs to be addressed, whatever course of action a dentist suggests.

From New York Times

These days Ms. Hutton is just one in a roster of celebrities and runway stars embracing what is known in orthodontic circles as a midline diastema.

From New York Times

From B. minimus, B. kolbi differs in: molar row longer; m3 larger; jaw larger; diastema not so acutely curved; incisor shorter, narrower transversely, more pro�dont.

From Project Gutenberg

The genus is characterized by maxillary teeth of equal size followed by a diastema and two enlarged grooved fangs.

From Project Gutenberg

There are 12 and 13 maxillary teeth that increase in size posteriorly; these are followed by a short diastema and two larger, solid teeth.

From Project Gutenberg