radiogenicadj.1
/ˌreɪdɪəʊˈdʒɛnɪk/, U.S. /ˌreɪdioʊˈdʒɛnɪk/ Science.
1. Producing ionizing radiation. rare.
ΚΠ
1907 Ophthalmoscope 5 30 No particular reaction followed the exposure of sclerosed corneæ for a period of eight minutes to the rays emitted from the anticathode of a radiogenic tube.
2. Produced by or resulting from ionizing radiation or radioactive decay.
ΘΚΠ
the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [adjective] > produced by decay
radiogenic1930
radiogenetic1934
1930 L. Goldstein in Arch. Neurol. & Psychiatry 24 103 There might be a genetic relationship between the fetal irradiation and the congenital ophthalmic defects. If such a relationship could be demonstrated, certain defects of the eyes might then be considered pathognomonic of ‘radiogenic microcephaly’.
1935 Jrnl. Amer. Chem. Soc. 57 470/2 There seems to be no definite trend in the relation of the atomic weight of uranium lead to the period during which the radiogenic lead has been forming.
1960 New Scientist 5 May 1114/3 No evidence of radiogenic mutations has been discovered so far.
1970 Nature 5 Dec. 906/1 It could be..that the Moon is expanding slowly as a result of radiogenic heating.
1994 L. A. Graf Firestorm xii. 113 Microfractures open in the diorite and release trace levels of radiogenic argon from feldspars into the atmosphere.
Derivatives
radioˈgenically adv. by means of ionizing radiation or radioactive decay.
ΘΚΠ
the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [adverb]
radioactively1904
radiogenically1930
1930 Arch. Neurol. & Psychiatry 24 114 Three of the radiogenically microcephalic children exhibited the oxycephalic type of head.
1948 Evolution 2 346/2 By interpolation in the radiogenically determined time scale it appears that the Early Cambrian epoch lasted about 25 to 30 million years.
1986 Jrnl. National Cancer Inst. 77 899 The tumors were generated spontaneously or induced chemically,..virally,..or radiogenically (with strontium-90).
2001 D. M. Harland Earth in Context ix. 292 Because even a modest amount of radiogenically generated heat might have prompted melting, surface eruptions could not be ruled out simply because the objects were small.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
radiogenicadj.2
/ˌreɪdɪəʊˈdʒɛnɪk/, U.S. /ˌreɪdioʊˈdʒɛnɪk/ Well suited for broadcasting by radio; providing an attractive subject for a radio broadcast.
ΘΚΠ
society > communication > broadcasting > radio broadcasting > [adjective] > suitable for
radiogenic1928
1928 Radio Times 24 Aug. 342/2 Their object is to discover..a form (or forms) of drama which shall be truly ‘radiogenic’.
1943 S. Lewis Gideon Planish xxxii. 418 The..Great Leaders: Governor Blizzard and..the dazzle-sounding, radiogenic Winifred Marduc Homeward.
1959 Listener 27 Aug. 332/2 Radiogenic in the extreme, Miss Jacob led her interlocutors more of a dance than anyone else in this series since Thurber.
1975 Encounter Sept. 43 This short play..has appeared in book form; but so totally radiogenic is its very nature that the printed page cannot represent it.
1995 Guardian 28 Oct. (Outlook section) 26/7 Radio 3's radiogenic Between The Ears series ended its run with a programme called Facing the Radio.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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adj.11907
adj.21928