> as lemmas
radiotracer
radiotracer n.
Brit. 
/ˈreɪdɪə(ʊ)ˌtreɪsə/
, /ˈreɪdɪə(ʊ)ˌtreɪsə/U.S. /ˈreɪdioʊˌtreɪsər/
a radioactive tracer (cf. tracer n.1 2c)./ˈreɪdioʊˌtreɪsər/ΘΚΠ
the mind > attention and judgement > discovery > instrument for detection > [noun] > substance used as tracer
tracer1938
radiotracer1949
the world > health and disease > healing > diagnosis or prognosis > tests > [noun] > materials used in testing
test-meal1891
mucicarmine1896
pastille1906
barium meal1913
barium enema1930
mecholyl1934
radioiodine1935
cardiolipin1942
histoplasmin1945
barium swallow1946
methacholine1948
radiotracer1949
piperoxan1950
radio pill1957
1949 Sci. Monthly Dec. 356/2 Metabolism in plants of such elements as calcium, zinc, rubidium, and iron have also been studied with radiotracers.
1962 Newnes Conc. Encycl. Nucl. Energy 341/1 The oil industry is perhaps the greatest single user of radiotracers, which enter into every phase of production from oil well to refinery.
1998 Jrnl. Nucl. Med. 39 339 Increased lung uptake of the radiotracer may reflect severe or multivessel coronary artery disease.
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as lemmas
- parallelly
- parallelmedium
- parallelnerved
- parallelogram
- parallelogram of forces
- parallelogram of vectors
- parallelogram of velocities
- parallelogram protractor
- parallelogram-shaped
- parallelogram-wise
- parallelogramic
- parallelogramical
- parallelogramish
- parallelogrammatic
- parallelogrammatical
- parallelograms
- parallelogramshaped
- parallelogramwise
- parallelometer
- parallelosteric
- parallelplate
- parallels
- parallelsided
- parallelveined
- parallelwise