Example Sentences

starfish are actinoid--that is, they are radially symmetrical



any of a series of radioactive elements with atomic numbers 89 through 103

Synonyms: actinon, actinide


having a radial form

Other words

archespore, barrier, bay leaf, bind over, bristle brush, catechetical instruction, caul, electromotive force series, false flax, hereditament, itchy, melody pipe, permanent press, protective garment, sniveller, staghorn coral, subjunction, tell on, telophase, tree creeper