ra·di·ant 
(rādē-ənt)
(rādē-ənt)adj.
1. Emitting heat or light: a radiant star.
2. Consisting of or emitted as radiation: radiant heat.
3. Filled with light shining especially as rays; brightly shining: a radiant morning. See Synonyms at bright.
4.
a. Showing or expressing vitality or joy: radiant eyes; a radiant smile.
b. Splendid; glorious: radiant beauty; a radiant future.
n.
1. An object or point from which light or heat rays are emitted.
2. Astronomy The apparent celestial origin of a meteoric shower.
[Middle English, from Latin radiāns, radiant-, present participle of radiāre, to radiate; see RADIATE.]
radi·ant·ly adv.
- microfaunal
- microfiber
- microfiche
- microfilament
- microfilamentous
- microfilaria
- microfilarial
- microfilm
- microform
- microfossil
- microgamete
- microgametophyte
- microglia
- microglial
- microglossia
- microgram
- micrograph
- micrographic
- microgravity
- microgreens
- microhabitat
- microinject
- microinjection
- microinstruction
- microlending