Anagrams of: QUARTETT_

• 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

• 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

• shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity

• shake with fast, tremulous movements

• shake with seismic vibrations

• a floor made of parquetry

• seating on the main floor between the orchestra and the parquet circle

• (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 sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games

• a tremulous sound

• a musical note having the time value of an eighth of a whole note

• give off unsteady sounds, alternating in amplitude or frequency

• sing or play with trills, alternating with the half note above or below

• four performers or singers who perform together

• a set of four similar things considered as a unit

• four people considered as a unit

• a musical composition for four performers

• an instance of questioning

• pose a question

• someone who settles lawfully on government land with the intent to acquire title to it

• someone who settles on land without right or title