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: K Ké K- K. K2 Ka Kb Kc Ke Kg Kh Ki Kj Kk Kl Km Kn Ko Kp Kr Ks Kt Ku Kv Kw Ky

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

krypton

POS

Noun

HYPHEN

kryp=ton

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WORDNET DICTIONARY

Noun krypton has 1 sense

krypton(n = noun.substance) atomic number 36, kr - a colorless element that is one of the six inert gasses; occurs in trace amounts in air; Array

is a kind of chemical element, element, argonon, inert gas, noble gas

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CIDE DICTIONARY

krypton, n. [NL., fr. Gr. krypto`n, neut. of krypto`s hidden.].

An inert gaseous element of the argon (noble gas) group, of atomic number 36, occurring in air to the extent of about one volume in a million. It was discovered by Ramsay and Travers in 1898. Boiling point, -152.3° C.; melting point, -156.6° C.; symbol, Kr; atomic weight, 83.8. [Webster 1913 Suppl.]

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OXFORD DICTIONARY

krypton, n. Chem. an inert gaseous element of the noble gas group, forming a small portion of the earth's atmosphere and used in fluorescent lamps etc.

Usage

Symb.: Kr.

Etymology

Gk krupton hidden, neut. adj. f. krupto hide

For further exploring for "krypton" in Webster Dictionary Online