Sphenacodontia
plural noun
Sphe·nac·odon·tia
-ntēə
: a suborder of Pelycosauria comprising primitive Permian reptiles that resemble mammals
Word History
Etymology
New Latin, from Sphenacodont-, Sphenacodon, genus of reptiles (irregular from sphen- + -odont-, -odon) + -ia
- radio source
- radio spectrum
- radio star
- radio sun
- radio telescope
- radio transmitter
- radio tube
- radio wave
- radio-
- radio-collar
- radio-controlled
- radio-frequency amplification
- radio-tag
- radio-tagged
- radio-tagging
- radio-tags
- radio-ulna
- radio-ulnas
- radioacoustics
- radioactinium
- radioactivate
- radioactive
- radioactive chain
- radioactive constant
- radioactive equilibrium