6-Letter Words Containing: U,R

• colorless glass made of almost pure silica

• a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

• (informal) strikingly unconventional

• a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)

• one who quakes and trembles with (or as with) fear

• a strange attitude or habit

• a narrow groove beside a beading

• twist or curve abruptly

• (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3

• fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet

• a quark with an electric charge of -1/3 and a mass 988 times that of an electron and a strangeness of -1

• a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence

• a surface excavation for extracting stone or slate

• animal hunted or caught for food

• extract (something such as stones) from or as if from a quarry

• an almost pleasurable sensation of fright

• a shaky motion

• case for holding arrows

• the act of vibrating

• shake with fast, tremulous movements

• move back and forth very rapidly

• move with or as if with a regular alternating motion