Anagrams of: QUARTERVINE_

• An electronic device that samples a varying quantity (e.g. a waveform) and generates a digital response

• approximate (a signal varying continuously in amplitude) by one whose amplitude is restricted to a prescribed set of discrete values

• apply quantum theory to; restrict the number of possible values of (a quantity) or states of (a physical entity or system) so that certain variables can assume only certain discrete magnitudes that are integral multiples of a common factor

• 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

• an examination consisting of a few short questions

• examine someone's knowledge of something

• a person or thing equal to another in value or measure or force or effect or significance etc

• the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen

• being essentially equal to something

• (of the voice) quivering as from weakness or fear

• Quivering; aquiver

• Apt to quaver; shaky, trembling.

• 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