Volumetric sensor
noun
a type of security device that can detect shapes and thereby movement within an area
Examples
As the field of detection is invisible, volumetric sensors are very difficult to evade.
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adjective 1. of or relating to measurement by volume. adjective 1. of, concerning, or using measurement by volume: volumetric analysis Compare gravimetric volumetric vol·u·met·ric (vŏl’yu-mět’rĭk) adj. Of or relating to measurement by volume. vol’u·met’ri·cal·ly adv. volumetric (vŏl’y-mět’rĭk) Relating to measurement by volume or to a unit that is used to measure volume.
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adjective 1. of or relating to a volcano: a volcanic eruption. 2. discharged from or produced by volcanoes: volcanic mud. 3. characterized by the presence of volcanoes: a volcanic area. 4. suggestive of or resembling a volcano; potentially explosive; volatile: a volcanic temper. adjective 1. of, relating to, produced by, or characterized by the presence […]