Library / English Dictionary

    GRAPHITE

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    Used as a lubricant and as a moderator in nuclear reactorsplay

    Synonyms:

    black lead; graphite; plumbago

    Classified under:

    Nouns denoting substances

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

    atomic number 6; C; carbon (an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds)

    Hyponyms (each of the following is a kind of "graphite"):

    lead; pencil lead (mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil)

    pencil (graphite (or a similar substance) used in such a way as to be a medium of communication)

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