GRE Word List

ZENITH

the point of the celestial sphere that is directly opposite the nadir and vertically above the observer see azimuth illustration

The meaning of the word zenith is the point of the celestial sphere that is directly opposite the nadir and vertically above the observer see azimuth illustration.

Random words

WordMeaning
rationalhaving reason or understanding
kaleidoscopean instrument containing loose bits of colored material (such as glass or plastic) between two flat plates and two plane mirrors so placed that changes of position of the bits of material are reflected in an endless variety of patterns
salutaryproducing a beneficial effect : remedial
illusiona misleading image presented to the vision : optical illusion
crescendoa gradual increase
insipidlacking in qualities that interest, stimulate, or challenge : dull
primethe second of the canonical hours
invoketo petition for help or support
centurionan officer commanding a Roman century
tauthaving no give or slack : tightly drawn