- hand lens
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a magnifying glass designed to be held in the hand. Also called hand glass.[1925-30]
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Universalium. 2010.
hand lens
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hand lens — hand′ lens n. opt a magnifying glass designed to be held in the hand … From formal English to slang
hand lens — noun : a magnifying glass designed to be held in the hand * * * a magnifying glass designed to be held in the hand. Also called hand glass. [1925 30] … Useful english dictionary
hand lens — noun Date: 1930 a magnifying glass to be held in the hand … New Collegiate Dictionary
Tourism with a Hand Lens — is a term coined by Dr. Ricardo Rozzi [Rozzi, R., J. Armesto, B. Goffinet, W. Buck, F. Massardo, J. Silander, Jr., M.T.K. Arroyo, S. Russell, C.B. Anderson, L. Cavieres J.B. Callicott (2008). Changing biodiversity conservation lenses: Insights… … Wikipedia
hand glass — noun 1. a mirror intended to be held in the hand • Syn: ↑hand mirror • Hypernyms: ↑mirror 2. light microscope consisting of a single convex lens that is used to produce an enlarged image the magnifying glass was invented by Roger Bacon in 1250 •… … Useful english dictionary
lens — n 1. eyepiece, Optics. ocular, Optics. objective, Optics. object glass or lens; telescope, field glass, spy glass; magnifier, magnifying glass, glass, hand lens, loupe; monocle, eyeglass. 2. lenses binoculars, opera glasses, lorgnette; eyeglasses … A Note on the Style of the synonym finder
hand glass — 1. a small mirror with a handle. 2. See hand lens. [1780 90] * * * … Universalium
Lens sag — is a problem that sometimes afflicts very large refracting telescopes. It is the equivalent of mirror sag in reflecting telescopes. It occurs when the physical weight of the glass causes a distortion in the shape of the lens because the lens can… … Wikipedia
Lens clock — A lens clock is a mechanical dial caliper that is used to measure dioptric power of a lens. It is a specialized version of a spherometer. A lens clock measures the curvature of a surface, but gives the result in diopters, assuming the lens is… … Wikipedia
Hand of Glory — The Hand of Glory is the dried and pickled hand of a man who has been hanged, often specified as being the left (Latin: sinister) hand, or else, if the man were hanged for murder, the hand that did the deed. According to old European beliefs, a… … Wikipedia
