(mathematics) A mathematical model of the practical signal reconstruction done by a conventional digital-to-analog converter, describing the effect of converting a discrete-time signal to a continuous-time signal by holding each sample value for one sample interval.

plural of New Zealand dollar

The official currency of New Zealand.

Mail carried on zeppelins.

Resulting in neither a surplus or deficit because gains and losses cancel out.

plural of zero point

plural of zero coupon bond

(aviation, military) Pertaining to the ejection of the occupant of an aircraft from a grounded stationary position (i.e. zero altitude and zero airspeed).

The site of the former World Trade Center towers in New York City destroyed on 11 September 2001.

plural of zebra shark