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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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instrumentation, instrumentality go
an artifact (or system of artifacts) that is instrumental in accomplishing some end
an artifact (or system of artifacts) that is instrumental in accomplishing some end
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lens, lense, lens system go
a transparent optical device used to converge or diverge transmitted light and to form images
a transparent optical device used to converge or diverge transmitted light and to form images
condenser, optical condenser
lens used to concentrate light on an object
lens used to concentrate light on an object
noun.artifact
1 Subcategories
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Abbe condenser go
a condenser having 2 or 3 lenses with wide aperture for use in microscopes