GRE Word List

GRAPHITE

a soft black lustrous form of carbon that conducts electricity and is used in lead pencils and electrolytic anodes, as a lubricant, and as a moderator in nuclear reactors

The meaning of the word graphite is a soft black lustrous form of carbon that conducts electricity and is used in lead pencils and electrolytic anodes, as a lubricant, and as a moderator in nuclear reactors.

Random words

WordMeaning
balkto refuse abruptly
collateralproperty (such as securities) pledged by a borrower to protect the interests of the lender
ironythe use of words to express something other than and especially the opposite of the literal meaning
ragamuffina ragged often disreputable person
obsoleteno longer in use or no longer useful
irreparablenot reparable : irremediable
missivea written communication : letter
sentinelsentry
alloythe degree of mixture with base metals : fineness
optimumthe amount or degree of something that is most favorable to some end