Actinopods
any protozoan of the subcl-ss actinopoda, including the heliozoans and radiolarians, having stiff, rodlike, radiating pseudopodia.
noun
any protozoan of the phylum actinopoda, such as a radiolarian or a heliozoan, having stiff radiating cytoplasmic projections
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- Actinopterygian
belonging or pertaining to the actinopterygii, a group of bony fishes. an actinopterygian fish. historical examples major adaptive levels in the evolution of the actinopterygian feeding mechanism. a new genus of pennsylvania fish (crossoperygii, coelacanthiformes) from kansas joan echols actinopterygian (āk’tə-nŏp’tə-rĭj’ē-ən) see ray-finned fish.
- Actinotherapy
radiotherapy, especially using ultraviolet rays. noun a former name for radiotherapy actinotherapy ac·ti·no·ther·a·py (āk’tə-nō-thěr’ə-pē) n. the therapeutic use of ultraviolet light.
- Actinouranium
. noun the isotope of uranium that has a m-ss number of 235
- Actinozoan
. noun, adjective another word for anthozoan
- Action at a distance
noun (physics) the supposed interaction of two separated bodies without any intervening medium. in modern theories all interactions are -ssumed to require a field of force