Defn: Belonging to the Radiata.

RADIATELY
Ra"di*ate*ly, adv.

Defn: In a radiate manner; with radiation or divergence from a center.

RADIATE-VEINED
Ra"di*ate-veined`, a. (Bot.)

Defn: Having the principal veins radiating, or diverging, from the apex of the petiole; — said of such leaves as those of the grapevine, most maples, and the castor-oil plant.

RADIATIFORM
Ra`di*at"i*form, a. (Bot.)

Defn: Having the marginal florets enlarged and radiating but not ligulate, as in the capitula or heads of the cornflower, Gray.

RADIATION
Ra`di*a"tion, n. Etym: [L. radiatio: cf. F. radiation.]

1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.

2. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.