rootless teeth
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taeniodont — ▪ fossil mammal any member of an extinct suborder (Taeniodonta) of mammals (mammal) that lived in North America throughout the Paleocene Epoch and into the middle of the Eocene Epoch (that is, about 65.5–43 million years ago). The… … Universalium
wombat — /wom bat/, n. any of several stocky, burrowing, herbivorous marsupials of the family Vombatidae, of Australia, about the size of a badger. [1790 1800; < Dharuk wom bat] * * * Either of two species (family Vombatidae) of nocturnal Australian… … Universalium
dentinal dysplasia — an apparently hereditary disorder of dentin formation, marked by a normal appearance of coronal dentin associated with pulpal obliteration, faulty root formation, and a tendency for peripheral lesions without obvious cause. The teeth become loose … Medical dictionary
acrodont — /ˈækrədɒnt/ (say akruhdont) adjective 1. with rootless teeth fastened to the alveolar ridge of the jaws. 2. with sharp tips on the crowns of the cheek teeth. {acr(o) + odont} …
acrodont — acrodontism, n. /ak reuh dont /, adj. Zool. having rootless teeth fastened to the alveolar ridge of the jaws. [1840 50; ACR + ODONT] * * * … Universalium
acrodont — n. organism which has rootless teeth which are attached to the ridge of the jaw bones (Zoology) … English contemporary dictionary
acrodonts — n. organism which has rootless teeth which are attached to the ridge of the jaw bones (Zoology) … English contemporary dictionary
rodent — rodentlike, adj. /rohd nt/, adj. 1. belonging or pertaining to the gnawing or nibbling mammals of the order Rodentia, including the mice, squirrels, beavers, etc. n. 2. a rodent mammal. [1825 35; < NL Rodentia RODENTIA] * * * Any member of the… … Universalium
mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… … Universalium
Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across … Wikipedia
