GRE Word List

LUMEN

the cavity of a tubular organ or part

The meaning of the word lumen is the cavity of a tubular organ or part.

Random words

WordMeaning
facetany of the definable aspects that make up a subject (as of contemplation) or an object (as of consideration)
collaborateto work jointly with others or together especially in an intellectual endeavor
fitfulcharacterized by fits or paroxysms
rotunditymarked by roundness : rounded
ultimatuma final proposition, condition, or demand
colossalof, relating to, or resembling a colossus
besiegeto surround with armed forces
brindledhaving obscure dark streaks or flecks on a usually gray or tawny ground
convictionthe act or process of finding a person guilty of a crime especially in a court of law
sleightdeceitful craftiness