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
titanichaving great magnitude, force, or power : colossal
transparenthaving the property of transmitting light without appreciable scattering so that bodies lying beyond are seen clearly : pellucid
exceptionablebeing likely to cause objection : objectionable
gratuitysomething given voluntarily or beyond obligation usually for some service
gustythe sensation of taste
vilifyto utter slanderous and abusive statements against : defame
astigmatisma defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image
ecstasya state of overwhelming emotion
lucidsuffused with light : luminous
arrhythmiclacking rhythm or regularity