| object glass | 1. <psychology> Perceptible to the external senses. 2. <ophthalmology> The lens or system of lenses in a microscope (or telescope) that is nearest to the object under examination. Origin: L. Objectivus (18 Nov 1997) |
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| object relationship | In the behavioural sciences, the emotional bond between an individual and another person (or between two groups), as opposed to the individual's (or group's) interest in him or herself (itself). (05 Mar 2000) |
| object space | <microscopy> A space within which an object could be imaged by the lens. (05 Aug 1998) |
| test object | An object having very fine surface markings, mounted on a slide, used to determine the defining power of the objective lens of a microscope, the target in measurement of the visual field. (05 Mar 2000) |