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
unintimidatingnot causing a feeling of fear or timidity : not intimidating
punyslight or inferior in power, size, or importance : weak
subsumeto include or place within something larger or more comprehensive : encompass as a subordinate or component element
preternaturalexisting outside of nature
homeostasisa relatively stable state of equilibrium or a tendency toward such a state between the different but interdependent elements or groups of elements of an organism, population, or group
refractiondeflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (such as air) into another (such as glass) in which its velocity is different
humorthat quality which appeals to a sense of the ludicrous or absurdly incongruous : a funny or amusing quality
fundamentalserving as a basis supporting existence or determining essential structure or function : basic
voluminoushaving or marked by great volume or bulk : large
elaborateplanned or carried out with great care