Describing teeth (or an animal with teeth) that are attached at the tip to the top of the jawbone rather than having roots in sockets.
From Greek 'akron' (tip) + 'odous' (tooth). A paleontological and zoological term used since the 1800s to classify tooth attachment types in reptiles and ancient creatures.
Acrodont teeth in lizards and some sharks reveal an evolutionary trade-off—they're easy to replace but not anchored well, making these animals perpetual tooth-shedders like a nightmare dentist's dream.
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