krypton


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krypton

 (Kr) [krip´ton]
a chemical element, atomic number 36, atomic weight 83.80. (See Appendix 6.)
krypton 81m an unstable radioactive isotope of krypton having a half-life of 13 seconds and emitting gamma rays. It is used in pulmonary ventilation studies to evaluate regional function.

kryp·ton (Kr),

(krip'ton),
One of the noble gases, present in small amounts in the atmosphere (1.14 ppm by dry volume); atomic no. 36, atomic wt. 83.80; 85Kr (half-life of 10.73 years) has been used in studies of cardiac abnormalities.
[G. kryptos, concealed]

krypton

/kryp·ton/ (Kr) (krip´ton) a chemical element, at. no. 36.
krypton 81m  an unstable radioactive isotope of krypton having a half-life of 13 seconds and emitting gamma rays (0.19 MeV); used in pulmonary ventilation studies.

krypton (Kr)

[krip′ton]
a generally inert, rare gaseous element present in air. Its atomic number is 36; its atomic mass is 83.80.

kryp·ton

(krip'ton)
One of the inert gases, present in small amounts in the atmosphere (1.14 ppm by dry volume); atomic no. 36, atomic wt. 83.80; 85Kr has been used in studies of cardiac abnormalities.

kryp·ton

(Kr) (krip'ton)
One of the inert gases, present in small amounts in the atmosphere; used in studies of cardiac abnormalities.

krypton (Kr)

(krip´ton),
n an inert gas, present in small amounts in the atmosphere, with an atomic number of 36 and an atomic weight of 83.80.

krypton

a chemical element, atomic number 36, atomic weight 83.80, symbol Kr. See Table 6.
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