acron
/ˈakrɒn/ /ˈakr(ə)n/Zoology
noun
In an arthropod: the unsegmented region at the anterior end of the body; specifically the prostomial region of an arthropod embryo.
Origin
Early 20th century; earliest use found in Journal of the Royal Microscopical Society. From French acron from ancient Greek ἄκρον extremity, use as noun of neuter of ἄκρος highest, topmost.
- roller shelf
- roller shop
- roller skate
- roller skater
- roller skating
- roller skating rink
- roller ski
- roller skier
- roller skiing
- roller slide
- roller steady
- roller top
- roller towel
- roller toweling
- roller towelling
- roller tube
- roller-type
- Rolle's theorem
- Rolle theorem
- rolley
- roll-fed
- roll feed
- roll feeding
- roll film
- roll-form