radioisotopicadj.

Brit.

/ˌreɪdɪəʊˌʌɪsə(ʊ)ˈtɒpɪk/, U.S.

/ˌreɪdioʊˌaɪsəˈtɑpɪk/,

/ˌreɪdioʊˌaɪsoʊˈtɑpɪk/

Origin: Formed within English, by compounding. Etymons: radio- comb. form², isotopic adj.

Etymology: < radio- comb. form² + isotopic adj., after radioisotope n.

Science.

Of or relating to radioisotopes; involving radioisotopes.

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactive isotope > [adjective]

radioisotopic1949

1949 Science 22 Apr. 410/1 This book fails to qualify as a bible for the beginner in radioisotopic research.

1970 Nature 24 Oct. 383/1 Radioisotopic tracer experiments have established that carbonate from seawater is incorporated into the skeleton by many corals.

1991 G. Greer Change vii. 164 Hormonal activity can be measured in various ways, by radioisotopic tracer studies, by taking blood from peripheral veins, [etc.].

1993 New Scientist 15 May 17/2 Carl Swisher III..has used argon radioisotopic dating..to work out the age of volcanic ash found in Argentinian rocks containing dinosaur fossils.

1997 G. S. Helfman et al. Diversity of Fishes x. 140/1 Radioisotopic and otolith analyses indicate that rougheye rockfish (Sebastes aleutianus) live for 140 years.

Derivatives

ˌradioisoˈtopically adv. with a radioisotope; by means of a radioisotopic method.

ΘΚΠ

the world > matter > physics > atomic nucleus > radioactive isotope > [adverb]

isotopically1954

radioisotopically1955

1955 Amer. Jrnl. Med. 18 307/2 Perhaps more decisive evidence will be drawn from autoradiographic studies of kidneys from animals to which radioisotopically labelled proteins have been administered.

1990 Blood 75 2185 The accumulation of ¹¹¹In-platelets and ¹²⁵I-fibrinogen/fibrin was measured radioisotopically.

2000 D. Fossum et al. Discov. & Innovation p. xxxiii The possibility of using radioisotopically altered antibodies and neutron radiotherapy to treat cancer.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	radioisotopic
释义	radioisotopicadj. Brit. /ˌreɪdɪəʊˌʌɪsə(ʊ)ˈtɒpɪk/, U.S. /ˌreɪdioʊˌaɪsəˈtɑpɪk/, /ˌreɪdioʊˌaɪsoʊˈtɑpɪk/ Origin: Formed within English, by compounding. Etymons: radio- comb. form², isotopic adj. Etymology: < radio- comb. form² + isotopic adj., after radioisotope n. Science. Of or relating to radioisotopes; involving radioisotopes. ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > [adjective] radioisotopic1949 1949 Science 22 Apr. 410/1 This book fails to qualify as a bible for the beginner in radioisotopic research. 1970 Nature 24 Oct. 383/1 Radioisotopic tracer experiments have established that carbonate from seawater is incorporated into the skeleton by many corals. 1991 G. Greer Change vii. 164 Hormonal activity can be measured in various ways, by radioisotopic tracer studies, by taking blood from peripheral veins, [etc.]. 1993 New Scientist 15 May 17/2 Carl Swisher III..has used argon radioisotopic dating..to work out the age of volcanic ash found in Argentinian rocks containing dinosaur fossils. 1997 G. S. Helfman et al. Diversity of Fishes x. 140/1 Radioisotopic and otolith analyses indicate that rougheye rockfish (Sebastes aleutianus) live for 140 years. Derivatives ˌradioisoˈtopically adv. with a radioisotope; by means of a radioisotopic method. ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > [adverb] isotopically1954 radioisotopically1955 1955 Amer. Jrnl. Med. 18 307/2 Perhaps more decisive evidence will be drawn from autoradiographic studies of kidneys from animals to which radioisotopically labelled proteins have been administered. 1990 Blood 75 2185 The accumulation of ¹¹¹In-platelets and ¹²⁵I-fibrinogen/fibrin was measured radioisotopically. 2000 D. Fossum et al. Discov. & Innovation p. xxxiii The possibility of using radioisotopically altered antibodies and neutron radiotherapy to treat cancer. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < adj.1949
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