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
apotheosisthe perfect form or example of something : quintessence
mergerthe absorption of an estate, a contract, or an interest in another, of a minor offense in a greater, or of a cause of action into a judgment
abstractdisassociated from any specific instance
wispa small handful (as of hay or straw)
falterto walk unsteadily : stumble
patentopen to public inspection
conspireplot
boostto push or shove up from below
institutionalizeto make into an institution : give character of an institution to
asperityroughness of manner or of temper : harshness of behavior or speech that expresses bitterness or anger