actino-, actin-, actini-, -actinal, actis- +

(Greek: ray [as of light] or like a ray in form; radiance, radiation; a radiating or tentacled structure)

actinobiology (s) (noun), actinobiologies (pl)
The study of the effects of radiation on living organisms.
The mother cell from which a spicule (small needle-like structure or part) is developed, as with Porifera (sea animals known as sponges).
A reference to plants with flowers radially arranged.
Plants with flowers and fruit radially arranged.
actinochemical (adjective)
A reference to the various effects produced by visible radiation.
The branch of chemistry that deals with the various effects produced by visible radiation that is concerned with the reactions produced by actinic radiation.
actinocongestin, congestin
A highly poisonous material derived from the tentacles of sea anemones which produces extensive dilatation of the splanchnic (internal organs collectively) vessels and hemorrhage when injected into laboratory animals.
Radio or radiation dermatitis (skin inflammation).
actinodermatitis (s) (noun), actinodermatitises, actinodermatitides
1. Inflammation of the skin as a result of exposure to sunlight or because of adverse reaction to radiation-skin therapy.
2. Dermatitis caused by exposure to some form of radiation; such as, sunlight, ultraviolet light, or X-rays.
A reference to a leaf which is palmately veined or radiating like a shape similar to that of a hand with the fingers extended.
Veined like a hand with the fingers extended.
The production of radiation.
The production of radiation.
Producing radiation.
The science of radiation.