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.
- summarise
- summarist
- summarizable
- summarization
- summarize
- summarizer
- summary
- summary jurisdiction
- summary offence
- summat
- summation
- summational
- summative
- summer
- summer camp
- summer chafer
- summer country
- summer cypress
- summer fair
- summer house
- summerless
- summer lightning
- Summer Palace
- summer pudding
- summersault