Library / English Dictionary

NB

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something

Example:

the margins of his book were generously supplied with pencilled NBs

Synonyms:

N.B.; NB; nota bene

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("NB" is a kind of...):

annotation; notation; note (a comment or instruction (usually added))

Sense 2

Meaning:

A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

Synonyms:

atomic number 41; Nb; niobium

Classified under:

Nouns denoting substances

Hypernyms ("Nb" 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 "Nb"):

columbium (a former name for niobium)

Holonyms ("Nb" is a substance of...):

columbite; niobite (a black mineral that is an ore of niobium and tantalum)

Credits