词根词缀：actino-, actin-, actini-, -actinal, actis-

【来源及含义】Greek: ray [as of light] or like a ray in form; radiance, radiation; a radiating or tentacled structure

【同源单词】actin, actinal, actinian, actinic, actinic burn, actinic carcinoma

词根词缀：hex-, hexa-

【来源及含义】Greek: six; a number used as a prefix

【同源单词】hexacanth, hexactinal, hexactine, hexacyclic, hexad, hexadactylia