hypsodonty
Noun
Meaning
The presence of hypsodont teeth.
The degree to which teeth are hypsodont; the degree to which they are not brachydont.
Source: en.wiktionary.orgExamples
Many ungulates switched from browsing diets to grazing diets, and possibly driven by abrasive silica in grass, hypsodonty became common.
The development of hypsodonty has been of particular interest as this adaptation was strongly associated with the spread of grasslands during the Miocene about 25 million years.