SINCE 1828
six-year molar
noun
\ ˌsiks-ˌyi(ə)r-
\
\
Medical Definition of six-year molar
: one of the first permanent molar teeth of which there are four including one on each side of the upper and lower jaws and which erupt at about six years of age
— called also sixth-year molar
— compare twelve-year molarComments on six-year molar
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