actinoid

[ ak-tuh-noid ]
/ ˈæk təˌnɔɪd /

adjective

raylike; radiate.

Origin of actinoid

First recorded in 1840–50; actin- + -oid

Example sentences from the Web for actinoid

British Dictionary definitions for actinoid

actinoid
/ (ˈæktɪˌnɔɪd) /

adjective

having a radiate form, as a sea anemone or starfish