D defs.my
Entry 7 senses · 3 variants Webster, 1913

Irradiate

/(ĭr*rā"dĭ*āt)/ · Ir·ra·di·ate · IPA /ɪˈɹeɪdɪət/
01 v. t. To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
imp. & p. p. Irradiated; p. pr. & vb. n. Irradiating
  1. 1.
    To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
    “Thy smile irradiates yon blue fields.” — Sir W. Jones.
  2. 2.
    To enlighten intellectually; to illuminate; as, to irradiate the mind.
  3. 3.
    To animate by heat or light.
  4. 4.
    To radiate, shed, or diffuse.
    “A splendid façade, . . . irradiating hospitality.” — H. James.
  5. 5.
    To expose to radiation of any kind, especially ionizing radiation; as, to sterilize food by irradiating it with gamma rays; one can cause mutations in bacteria by irradiating them with ultraviolet light. See: ionizing radiation
02 v. i. To emit rays; to shine.
  1. 1.
    To emit rays; to shine.
03 a. Illuminated; irradiated.
  1. 1.
    Illuminated; irradiated.