| ACTINAL | • actinal adj. (Zoology) Pertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish. • actinal adj. (Zoology) Pertaining to the axis of rotational symmetry in radiate animals. • ACTINAL adj. pertaining to the part of a radiate animal, such as a starfish, which contains the mouth. |
| MATINAL | • matinal adj. In the morning, relating to the morning. • MATINAL adj. pertaining to the morning. |
| RETINAL | • retinal adj. (Ophthalmology, relational) Of or pertaining to the retina. • retinal n. (Biochemistry, organic chemistry) A yellow to orange aldehyde derived from vitamin A that is formed… • RETINAL n. a pigment in the retina, also RETINENE. |
| DENTINAL | • dentinal adj. Of or relating to dentin/dentine. • DENTINAL adj. relating to dentine, an ivorylike material making up teeth. |
| PECTINAL | • pectinal adj. Of or relating to a comb; resembling a comb. • pectinal n. A fish whose bones resemble the teeth of a comb. • PECTINAL n. a fish with bones or a spine resembling a comb. |
| ABACTINAL | • abactinal adj. (Zoology) Pertaining to the surface or end opposite to the mouth in a radiate animal. • ABACTINAL adj. remote from the actinal area (of a radiate animal). |
| DIACTINAL | • diactinal adj. Having two rays. • diactinal adj. Relating to, or composed of diactines. • DIACTINAL adj. having two rays, also DIACT, DIACTINE. |
| MATUTINAL | • matutinal adj. Of, occurring in, or relating to the morning, especially the early morning upon waking up. • matutinal adj. Active in the morning; waking up early. • MATUTINAL adj. relating to or occurring in the morning, also MATUTINE. |
| SEROTINAL | • serotinal adj. Pertaining to or occurring in late summer. • SEROTINAL adj. flowering in late summer. |
| HEXACTINAL | • hexactinal adj. (Biology) Having six rays. • HEXACTINAL adj. having six rays. |
| INTESTINAL | • intestinal adj. Relating to the intestines. • intestinal adj. (Rare) Internal. • INTESTINAL adj. affecting, occurring, or living in the intestine. |
| MONACTINAL | • monactinal adj. (Zoology) Having a single ray. • MONACTINAL adj. of a sponge, having single-rayed spicules, also MONACT, MONACTINE. |
| TRIACTINAL | • triactinal adj. Having three rays. • TRIACTINAL adj. three-rayed, also TRIACT, TRIACTINE. |
| MEDIASTINAL | • mediastinal adj. (Anatomy) Relating to the mediastinum. • MEDIASTINAL adj. relating to the mediastinum, the chest cavity containing the heart. |
| PENTACTINAL | • pentactinal adj. (Biology) Having five rays. • PENTACTINAL adj. relating to a pentact. |
| POLYACTINAL | • polyactinal adj. (Zoology) Having many rays; relating to a polyactine. • POLYACTINAL adj. of a marine animal, having many rays or tentacles, also POLYACT, POLYACTINE. |
| SCARLATINAL | • scarlatinal adj. Of or pertaining to scarlet fever. • SCARLATINAL adj. of or like scarlatina. |
| TETRACTINAL | • tetractinal adj. (Zoology) Having four rays. • TETRACTINAL n. a sponge spicule having four rays, also TETRACTINE. |
| VESPERTINAL | • vespertinal adj. Vespertine; occurring in the evening. • vespertinal adj. (Botany, zoology) Opening or active in the evening. • VESPERTINAL adj. of or pertaining to the evening, also VESPERTINE. |
| VITREORETINAL | • vitreoretinal adj. Of or pertaining to the vitreous humour and the retina. • VITREORETINAL adj. as in vitreoretinal traction, friction on the internal limiting membrane of the retina of the eye by adherent vitreous fibrils in vitreous humour detachment. |