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
unguenta soothing or healing salve : ointment
conundruman intricate and difficult problem
resonantcontinuing to sound : echoing
sticklerone who insists on exactness or completeness in the observance of something
moltto shed hair, feathers, shell, horns, or an outer layer periodically
metropolisthe chief or capital city of a country, state, or region
humdrummonotonous
rotundaa round building
expletivea syllable, word, or phrase inserted to fill a vacancy (as in a sentence or a metrical line) without adding to the sense
queasycausing nausea