1623 H. Cockeram Eng. Dict. Irradiate, to shine vpon.

1669 T. Gale Court of Gentiles: Pt. I i. i. 7 As the greater light irradiates and enlightens the world.

a1794 W. Jones Hymn to Lacshmí in Wks. (1799) VI. 363 When thy smile irradiates yon blue fields, Observant Indra sheds the genial show'r.

1805 R. Southey Madoc ii. xviii. 359 The midnight lightnings..That, with their aweful blaze, irradiate heaven, Then leave a blacker night.

1873 L. Ferguson Disc. 64 The face that was irradiated on the Mount was the very face his disciples knew so well.

1603 C. Heydon Def. Iudiciall Astrol. xxiii. 498 Originally they were friendly irradiated of Iupiter, the Sunne, Venus, and Mercurie.

1621 R. Burton Anat. Melancholy i. ii. i. iv. 75 In the Horoscope, irradiated by those quartile aspects of Saturne or Mars, the childe shall be mad or melancholy.

1686 J. Goad Astro-meteorologica iii. i. 393 ♄ from the Opposite Sign irradiates between ♂ and ♀ so posited.

1668 N. Culpeper & A. Cole tr. T. Bartholin Anat. (new ed.) i. xvii. 48 The neighbouring Spermatick Vessels are irradiated and virtuated by the Kidneys, even as the Brain irradiates the lower Parts, by an inbred property resembling light.

a1676 M. Hale Primitive Originat. Mankind (1677) i. iii. 76 That Ethereal or Solar heat, that must digest, influence, irradiate, and put those more simple parts of Matter into motion and coalition.

1901 N.Y. Med. Jrnl. 16 Nov. 909/1 The inguinal tumor was removed..and now the inguinal area is also irradiated.

1903 Med. Rec. 31 Jan. 168 The patient suffering from malignant disease is irradiated without first submitting to tentative exposures.

1927 Jrnl. Biol. Chem. 73 383 Cholesterol solutions were also irradiated by the γ-rays from radium emanation.

1952 G. B. Cook & J. F. Duncan Mod. Radiochem. Pract. v. 203 To obtain the maximum yield of a radio~element by use of a laboratory neutron source it is often of advantage to irradiate an aqueous solution of the absorbing element.

1957 Technology Mar. 14/2 Food can be preserved for long periods if irradiated.

1963 H. J. M. Bowen & D. Gibbons Radioactivation Anal. ii. 5 When a material is bombarded or irradiated by the nuclear particles produced in a nuclear reactor, particle accelerator, or other suitable source, some of the atoms present in the sample will interact with the bombarding particles.

1964 M. Pyke Food Sci. & Technol. viii. 153 By irradiating frozen whole egg with from 0·1 to 1·0 Mrad, it is possible to destroy certain pathological micro-organisms.

1971 Nature 4 June 317/1 When the spores were initially irradiated with γ-rays, the germination rate increased remarkably.

1973 Sci. Amer. Apr. 71/1 The diffusion constant can now be determined by irradiating the silicon with slow neutrons and measuring the energy of the alpha particles that emerge.

1628 O. Felltham Resolves: 2nd Cent. xiv. sig. K4^v It..inradiates the soule.

1702 in Rous's Academia Cœlestis ii. 19 Universally, to irradiate and teach them.

a1710 G. Bull Serm. II. v. (R.) That his mind was irradiated with a divine illumination.

1839 H. Hallam Introd. Lit. Europe IV. viii. 604 He first irradiated the entire annals of antiquity..with flashes of light.

1864 F. C. Bowen Treat. Logic 10 With their light they irradiate and make clearly intelligible everything to which they are referred.

1651 E. Sherburne Rape of Helen in Poems 55 Such Beauty did his Looks irradiate.

a1807 W. Wordsworth Prelude (1959) ii. 56 A virtue which irradiates and exalts All objects through all intercourse of sense.

1843 C. J. Lever Jack Hinton (1878) xxxv. 241 The priest's jovial good humour irradiated his happy countenance.

1877 W. Black Green Pastures xxix. 236 The sublime features of Madame Columbus, now irradiated with triumph.

1717 A. Pope Eloisa to Abelard in Wks. 424 No weeping orphan saw his father's stores Our shrines irradiate, or emblaze the floors.