10-Letter Words Containing: I,Q,T,U

• 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

• quixotic (romantic and impractical) behavior

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

• hard metamorphic rock consisting essentially of interlocking quartz crystals

• military march accompanying quick time

• a ballroom dance with both quick and slow steps

• perform a quickstep

• Fop, dandy.