|
Krypton - Dictionary Definition and Overview |
|
Krypton : (noun)
1: a colorless element that is one of the six inert gasses;
occurs in trace amounts in air [syn: Kr, atomic number
36]
Based on WordNet 2.0
|
|
Krypton : \Kryp"ton\, n. [NL., fr. Gr. ?, neut. of ? hidden.]
(Chem.)
An inert gaseous element of the argon group, occurring in air
to the extent of about one volume in a million. It was
discovered by Ramsay and Travers in 1898. Liquefying point,
-- 152[deg] C.; symbol, Kr; atomic weight, 83.0.
Based on Webster's Revised Unabridged Dictionary
|
|
Krypton :
A frame language.
["An Essential Hybrid Reasoning System: Knowledge and Symbol
Level Accounts of KRYPTON", R.J. Brachman et al, Proc
IJCAI-85, 1985].
Based on the Online Dictionary of Computing [Computer_Dictionary]:
|
|
Krypton : Symbol: Kr
Atomic number: 36
Atomic weight: 83.80
Colorless gaseous element, belongs to the noble gases. Occurs in the air,
0.0001% by volume. It can be extracted from liquid air by fractional
distillation. Generally not isolated, but used with other inert gases in
fluorescent lamps. Five natural isotopes, and five radioactive isotopes.
Kr-85, the most stable radioactive isotope, has a half-life of 10.76
years and is produced in fission reactors. Practically inert, though known
to form compounds with fluorine.
Based on the Online Dictionary of Computing [Computer_Dictionary]:
|
|
|
|
|
