different between radiation vs irradiate

English

Etymology

Borrowed from Latin radiatio, radiationis.Morphologically radiate +? -ion

Pronunciation

• IPA^(key): /??e?.di.?e?.??n/
• (some US dialects) IPA^(key): /?a?.di.?a?.??n/

Noun

radiation (countable and uncountable, plural radiations)

1. The shooting forth of anything from a point or surface, like diverging rays of light.

   heat radiation

   • 2016, Donald R. Prothero, The Princeton Field Guide to Prehistoric Mammals (page 136)

     The second [canid group] is the radiation of dogs in South America that began when the first canids arrived about 3 Ma, after crossing the Panama land bridge (Fig. 5.4).

2. The process of radiating waves or particles.
3. The transfer of energy via radiation (as opposed to convection or conduction).
4. Radioactive energy.

Related terms

• radiate

Derived terms

Translations

See also

• nucleomitophobia

Anagrams

• antiradio

French

Etymology

Borrowed from Latin radiatio, radiationem.

Pronunciation

• IPA^(key): /?a.dja.sj??/

Noun

radiation f (plural radiations)

1. radiation (all meaning)

Related terms

• radier

Further reading

• “radiation” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

Latin irradiatus

Pronunciation

• (verb) IPA^(key): /???e?die?t/
• (adjective) IPA^(key): /???e?di?t/

Verb

irradiate (third-person singular simple present irradiates, present participle irradiating, simple past and past participle irradiated)

1. (transitive, literary, poetic) To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
   • 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.

   to irradiate the mind

   • 1740 or earlier Bishop George Bull, A discourse concerning the spirit of God in the faithful

     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 […]

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.

Translations

Adjective

irradiate

1. Illuminated; irradiated; made brilliant or splendid.
   • 1801, Robert Southey, Thalaba the Destroyer:

     The co-existent Flame
     Knew the Destroyer; it encircled him,
     Roll’d up his robe, and gathered round his head,
     Condensing to intenser splendour there,
     His Crown of Glory, and his Light of Life,
     Hovered the irradiate wreath.

Related terms

• irradiance
• irradiancy
• irradiant
• irradiation
• irradiative

References

• irradiate in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• irradiate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Italian

Verb

irradiate

1. second-person plural present indicative of irradiare
2. second-person plural imperative of irradiare
3. second-person plural present subjunctive of irradiare
4. feminine plural of irradiato

Anagrams

• arridiate
• idraterai
• reidratai