Cmn.
/ˌsiːˈɛm/, U.S. /ˌsiˈɛm/ The element curium.
ΚΠ
1946 Big Spring (Texas) Daily Herald 11 Apr. 9/2 Seaborg..suggested..that element 96 be called ‘Curium’, with the symbol ‘CM’ in honor of Pierre and Marie [printed Macie] Curie, who obtained radium from pitchblende.
1946 G. T. Seaborg in Chem. & Engin. News 10 May 1197/3 For element 96, containing 5f electrons, we suggest ‘curium’, symbol Cm, after Pierre and Marie Curie.
1976 Radiation Res. 66 445 The lysate was centrifuged at 27,000g to yield a membrane pellet and a supernatant, both of which were analyzed for Cm content.
2004 Nucl. News (Nexis) Oct. 27 Until the approval of the two drugs by the FDA [= Food and Drug Administration], there had been no approved drug products for the treatment of internal contamination with Pu, Am, or Cm.
This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022).
> as lemmas
cm
cm n. = centimetre(s).
Π
1874 J. P. Putnam Metric Syst. Weights & Measures 39 1 cu. cm. of water weighs 1g.
1923 Proc. & Trans. Royal Soc. Canada 17 iii. 142 Two ultra-sonic generators..were placed facing one another, 60 cms. apart, in a large tank of water.
1982 Hi-Fi Answers Oct. 77/1 These drive units are pretty unusual beasts, and the NS1000M sports two: a 30mm dome tweeter and a 8·8cm dome midrange unit.
C.M.
C.M. n. Master of Surgery.
C.M.
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C.M. n. (in Hymns) common metre.
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n.1946as lemmas