Anagrams of QUATERNION_

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

• The four aces, kings, queens, jacks, or tens, in the game of piquet, any of these counting as fourteen points.

• 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

• either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

• (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic

• an examination consisting of a few short questions

• examine someone's knowledge of something

• the cardinal number that is the sum of three and one

• enforced isolation of patients suffering from a contagious disease in order to prevent the spread of disease

• isolation to prevent the spread of infectious disease

• place into enforced isolation, as for medical reasons