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
euthanasiathe act or practice of killing or permitting the death of hopelessly sick or injured individuals (such as persons or domestic animals) in a relatively painless way for reasons of mercy
remitto lay aside (a mood or disposition) partly or wholly
denotationan act or process of denoting
analgesiainsensibility to pain without loss of consciousness
claustrophobiaabnormal dread of being in closed or narrow spaces
functionaryone who serves in a certain function
verdigrisa green or greenish-blue poisonous pigment resulting from the action of acetic acid on copper and consisting of one or more basic copper acetates
hecklerone who heckles someone (such as a performer or speaker) usually by shouting criticisms or insults
equestrianof, relating to, or featuring horseback riding
venoma toxic substance produced by some animals (such as snakes, scorpions, or bees) that is injected into prey or an enemy chiefly by biting or stinging and has an injurious or lethal effect