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unicuspid

Line breaks: uni|cus¦pid
Pronunciation: /ˌjuːnɪˈkʌspɪd
 
/

Definition of unicuspid in English:

adjective

Having one cusp or point.
Example sentences
  • The p4 is a unicuspid tooth, with the variable presence of a second, anterior root trace.
  • These unicuspid teeth are useful for identifying some kinds of shrews.
  • The teeth are usually unicuspid, conical, and homodont.

noun

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A tooth with a single cusp, especially a canine tooth.
Example sentences
  • The 1st and 2nd upper unicuspids are large, the 3rd and 4th smaller and subequal, and the 5th minute.
  • Under low magnification, e.g., with a hand lens, the side profile of the pygmy shrew's upper jaw shows only three large unicuspids instead of five typical of the masked shrew.
  • Tooth shape ranges from widely spaced and pointy unicuspids in zooplanktivorous and insectivorous species to closely packed and flexible tricuspids in algal scrapers.

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