kryptonn.

Brit.

/ˈkrɪptɒn/,

/ˈkrɪptən/, U.S.

/ˈkrɪpˌtɑn/

Etymology: < Greek κρυπτόν, neuter of κρυπτός hidden, concealed. Discovered by Ramsay in 1898.

Chemistry.

A rare inert gaseous element; atomic number 36; symbol Kr.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > noble gases > krypton > [noun]

Kr1898

krypton1898

1898 Westm. Gaz. 7 June 4/2 M. Berthelot read a letter from Professor Ramsay,..giving the first announcement of another discovery... This new gas he proposes to call krypton.

1898 W. Crookes Addr. Brit. Assoc. 19 During the course of the present year he [Prof. Ramsay] has announced the existence of no fewer than three new gases—krypton, neon, and metargon.

1899 Hazell's Ann. 83 Krypton forms a fifth constituent of the atmosphere, but is present in very minute quantities.

1899 L. Dobbin tr. Ladenburg Hist. Chem. xvi. 347 In the case of crypton, the ratio of the specific heats has been ascertained to be 1·66, so that this gas is also a monatomic element.

This entry has not yet been fully updated (first published 1901; most recently modified version published online March 2022).

单词	krypton
释义	kryptonn. Brit. /ˈkrɪptɒn/, /ˈkrɪptən/, U.S. /ˈkrɪpˌtɑn/ Etymology: < Greek κρυπτόν, neuter of κρυπτός hidden, concealed. Discovered by Ramsay in 1898. Chemistry. A rare inert gaseous element; atomic number 36; symbol Kr. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > noble gases > krypton > [noun] Kr1898 krypton1898 1898 Westm. Gaz. 7 June 4/2 M. Berthelot read a letter from Professor Ramsay,..giving the first announcement of another discovery... This new gas he proposes to call krypton. 1898 W. Crookes Addr. Brit. Assoc. 19 During the course of the present year he [Prof. Ramsay] has announced the existence of no fewer than three new gases—krypton, neon, and metargon. 1899 Hazell's Ann. 83 Krypton forms a fifth constituent of the atmosphere, but is present in very minute quantities. 1899 L. Dobbin tr. Ladenburg Hist. Chem. xvi. 347 In the case of crypton, the ratio of the specific heats has been ascertained to be 1·66, so that this gas is also a monatomic element. This entry has not yet been fully updated (first published 1901; most recently modified version published online March 2022). < n.1898
随便看	disguisedly disguisedness disguiseless disguisement disguisements disguiser disguisers disguises disguisily disguisiness disguising disguisings disguisy disgulf disgulph disgust disgustable disgustant disgusted disgusted of tunbridge wells disgustedly disguster disgustful disgustfully disgustfulness