abactinal
/əˈbaktɪnəl/ /aˈbaktɪnəl/Zoology
adjective
Designating the part or surface of an echinoderm or other radiate animal that is furthest from the mouth (as the upper side of a starfish); relating to this part.
Origin
Mid 19th century; earliest use found in Louis Agassiz (1807–1873), zoologist and geologist. From ab- + actinal.
- treasure trove
- treasury
- Treasury bench
- Treasury bill
- Treasury bond
- Treasury note
- treat
- treatable
- treater
- treatise
- treatment
- treat someone like dirt
- treat something lightly
- treaty
- Treaty claim
- treaty Indian
- Treaty industry
- treaty port
- Treaty settlement
- Trebbiano
- Trebizond
- treble
- treble bell
- treble chance
- treble clef