English Explanatory Dictionary

radiate

English dictionary entry

Meanings

verb
  1. To extend, send or spread out from a center like radii.
  2. To emit rays or waves.
  3. To come out or proceed in rays or waves.
  4. To illuminate.
  5. To expose to ionizing radiation, such as by radiography.
  6. To manifest oneself in a glowing manner.
  7. To spread into new habitats, migrate.
  8. To broadcast by radio.
adj
  1. Radiating from a center; having rays or parts diverging from a center; radiated.
  2. Surrounded by rays, such as the head of a saint in a religious picture; (heraldry) radiant.
  3. Having parts radiating from the center, like the petals in many flowers.
  4. Consisting of a disc in which the florets are tubular.
  5. Having radial symmetry, like a sea star.
  6. Belonging to the Radiata.
noun
  1. One of the Radiata.

Pronunciation

/ˈɹeɪdieɪt/ LL-Q1860 (eng)-Vealhurl-radiate.wav /ˈɹeɪdi.ət/ LL-Q1860 (eng)-Vealhurl-radiate2.wav

Word forms

radiate radiates radiating radiated more radiate most radiate

Etymology

Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”).

Synonyms

irradiate

Related words

radial radiation radiative radio radius ray

Derived words

corradiate radiator reradiate x-radiate eradiate biradiate hexaradiate multiradiate nonradiate octoradiate pauciradiate pentaradiate quadriradiate radiately radiateness radiatiform semiradiate sexradiate subradiate tetraradiate triradiate
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