actino-
prefixEtymology From Ancient Greek ἀκτίς (aktís, “ray”).
1
Biology, Natural sciences Morpheme ray, ray-shaped
- e.g. actinolite, actinomycete
2
Biology, Natural sciences Morpheme radial geometry, particular radial symmetry
- e.g. actinogonidial, actinostele, actinomorphic
3
Natural sciences, Physical sciences, Physics Morpheme actinic radiation
- e.g. actinometer, actinochemistry, actinotherapy