Library / English Dictionary

ATOMIC NUMBER 27

 I. (noun) 

Sense 1

Meaning:

A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

Synonyms:

atomic number 27; Co; cobalt

Classified under:

Nouns denoting substances

Hypernyms ("atomic number 27" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Hyponyms (each of the following is a kind of "atomic number 27"):

cobalt 60 (a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy)

Holonyms ("atomic number 27" is a substance of...):

cobaltite (a rare silvery-white mineral; important ore of cobalt)

smaltite (a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel)

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