belonging or pertaining to the order or suborder Actiniaria, comprising the sea anemones.
any sea anemone.
Moreover, there are some modern corals in which the secondary cycle of mesenteries departs from the actinian plan.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 Various
pertaining to . Historical Examples In what season of the year is the actinic power of light the greatest? The Reason Why Anonymous But the figure passed beyond the actinic glare and vanished. Astounding Stories of Super-Science, March 1930 Various They have power to cause chemical changes, hence are known as the chemical or actinic […]
- Actinic dermatitis
actinic dermatitis actinic dermatitis n. Dermatitis caused by exposure to actinic radiation, such as sunlight or x-rays.
- Actinic elastosis
actinic elastosis actinic elastosis n. See colloid acne.
- Actinic keratosis
actinic keratosis actinic keratosis n. A warty lesion, often premalignant, occurring on the sun-exposed skin of the face or hands, especially of light-skinned persons. Also called senile keratosis.