1. premolar - Noun
2. premolar - Adjective
Situated in front of the molar teeth.
An anterior molar tooth which has replaced a deciduous molar. See Tooth.
Source: Webster's dictionaryCarnivorans all share the same arrangement of teeth in which the last upper premolar (named P4) and the first lower molar (named m1) have blade-like enamel crowns that work together as carnassial teeth to shear meat. Source: Internet
The first premolar is usually absent, and they also have a very distinct long and slim skull with well-developed occipital and sagittal crests to support the enlarged jaw muscles. Source: Internet
Sometimes, a "bit seat" is filed in the first premolar, where the surface is rounded so that the flesh of the cheek is not pushed into the sharp edge of the tooth, making riding more comfortable for the horse, although the practice is controversial. Source: Internet
The animal's dentition consists of the incisors and cheek teeth (a single premolar and four molars on each jaw), which are separated by a large gap (a characteristic feature of herbivorous mammals). Source: Internet
The premolar and first molar together compose the carnassial pair on each side of the mouth, which efficiently shears meat into small pieces, like a pair of scissors. Source: Internet
The upper third premolar and lower molar are adapted as carnassial teeth, suited to tearing and cutting flesh. Source: Internet