order of dinosaurs, Modern Latin, from Greek elements: thēr "wild beast, beast of prey" (from PIE root *ghwer- "wild beast") + podos genitive of pous "foot" (from PIE root *ped- "foot"). So called because the structure of the feet resembled quadrupeds rather than birds. Related: Theropod.
thermoplastic
Thermopylae
Thermos
thermosphere
thermostat
Theropoda
thesaurus
these
Theseus
thesis
thespian
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