| bioaffinity sensor | A sensor that uses immobilised hormone receptors or antibodies to detecthormones or antigens. (09 Oct 1997) |
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| punch card | A card on which data are stored by means of holes made in specified positions so that data can be sorted, processed, and analyzed. (05 Mar 2000) |
| sensor | A device designed to respond to physical stimuli such as temperature, light, magnetism, or movement, and transmit resulting impulses for interpretation, recording, movement, or operating control. Origin: see sense (05 Mar 2000) |
| electrochemical sensor | <equipment> A type of biosensor, in which a biological process is harnessed to and measured by an electrical sensor system. (14 Nov 1997) |
| treatment card | <dentistry> A sheet of paper or special index card used to record your treatment progress. (08 Jan 1998) |
| Fridenberg's stigometric card test | An obsolete test of vision and accommodation for illiterates, using a card containing a series of dots and squares of graduated size, to be counted at various distances. (05 Mar 2000) |