| actinal | (แอค' ทินัล) adj. ซึ่งมีหนวดหรือส่วนยื่นหรือรังสี (having tentacles or rays) |
| abactinal | (adj) (of radiate animals) located on the surface or end opposite to that on which the mouth is situated, Ant. actinal |
| actinal | (adj) (of radiate organisms) located on the surface or end on which the mouth is situated, Ant. abactinal |
| Abactinal | a. [ L. ab + E. actinal. ] (Zool.) Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to |
| Actinal | a. [ Gr. &unr_;, &unr_;, ray. ] (Zool.) Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz. [ 1913 Webster ] |