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thermoregulation
thermoremanent
Thermos
thermoscope
thermosetting
thermosphere
thermostable
thermostat
thermotaxis
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theta

the·ta [ tháytə, thtə ] (plural the·tas)


noun 
Definition:
 
8th letter of Greek alphabet: the eighth letter of the Greek alphabet, represented in the English alphabet as "th"

[Early 17th century. Via Greek< Phoenician]
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