voracity (n.): gluttony.
surreptitious (adj.): acting in a stealthy way.
Euclid (n.): 3rd century (B.C.) Greek mathematician of Alexandria; author of Elements, which sets out the principles of geometry.
aural (adj.): of or pertaining to an aura.
temporomandibular (adj.): of, pertaining to, or situated near the hinge joint formed by the lower jaw and the temporal bone of the skull.
supine (adj.): inactive, passive, or inert, esp. from indolence or indifference.
dirge (n.): any mourning song or melody.
negritude (n.): the historical, cultural, and social heritage considered common to blacks collectively.
pastiche (n.): a work of art that mixes styles, materials, etc.
cudgel (n.): a short stout stick used as a weapon.
cathartic (adj.): purgative.
cacophony (n.): harsh discordance of sound.
melange (n.): a mixture; medley.
piquance (n.): the quality of being agreeably stimulating or mentally exciting.
pulchritude (n.): physical beauty.
fluorine (n.): the most reactive nonmetallic element, a pale-yellow, corrosive, toxic gas that occurs combined, esp. in fluorite, cryolite, phosphate rock, and other minerals.
epistaxis (n.): nosebleed.
proscenium (n.): the arch that separates a stage from the auditorium.
alacrity (n.): cheerful readiness, promptness, or willingness.
contrite (adj.): filled with a sense of guilt and the desire for atonement.
milieu (n.): surroundings, esp. of a social or cultural nature.
chiaroscuro (n.): the distribution of light and shade in a picture.
concentric (adj.): having a common center.
mire (v.): to involve; to entangle.
augur (v.): to divine or predict, as from omens.
expeditious (adj.): quick.
umbrage (n.): offense; annoyance; displeasure.
coxswain (n.): the helmsman of a racing shell.
inchoate (adj.): not yet completed or fully developed.
definitions from dictionary.reference.com