irradiate

Etymology

Latin irradiatus, past participle of irradiare, from in- + radius.

verb

1. (transitive, literary, poetic) To illuminate; to brighten; to shine light on.
   c. late 18th century Sir W. Jones, Hymn to Lachsmi Thy smile irradiates yon blue fields.
2. (transitive, literary, poetic) To enlighten intellectually; to illuminate.
   This book might irradiate your mind
   And indeed we ought, in these happy intervals, when our understandings are thus irradiated and enlightened, to make a judgment of the state and condition of our souls in the sight of God […] a. 1740, Bishop George Bull, A discourse concerning the spirit of God in the faithful
3. (transitive, literary, poetic) To animate by heat or light.
   a. 1676 (written, first published in 1817) , Matthew Hale, A letter of advice to his grandchildren, Matthew, Gabriel, Anne, Mary, and Frances Hale. you may subdue and conquer the temperament of your nature, to do all things well-pleasing to him, and that may irradiate and strengthen your souls
4. (transitive, literary, poetic) To radiate, shed, or diffuse.
5. (transitive, literary, poetic) To decorate with shining ornaments.
6. (intransitive) To emit rays; to shine.
7. (sciences) To apply radiation to.
   1. (medicine) To treat (a tumour or cancerous growth) with radiation.
   2. (transitive) To treat (food) with ionizing radiation in order to destroy bacteria.

adj

1. Illuminated; irradiated; made brilliant or splendid.