subtrihedral

English

Etymology

sub- +‎ trihedral

Pronunciation

• IPA^(key): /ˌsʌbtɹaɪˈhiːdɹəl/

Adjective

subtrihedral (not comparable)

1. Almost trihedral.

   the subtrihedral crown of a tooth

   • 1840-1845, Richard Owen, Odontography

     The anterior or external teeth of the upper resemble those of the lower jaw ; they are strong , conical , subtrihedral , hollow at the base , which is obliquely truncated , and rounded and obtuse at the apex

References

“subtrihedral”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.