- concave glass
- вогнутое стекло
Англо-русский морской словарь. Б.Н. Серебрийский. 1946.
Англо-русский морской словарь. Б.Н. Серебрийский. 1946.
glass — Synonyms and related words: CM glass, CR glass, achromatic lens, adobe, aerological instrument, agate glass, alabaster, aneroid barometer, aneroidograph, astigmatic lens, barograph, barometer, barometrograph, beaker, bifocals, bijouterie,… … Moby Thesaurus
watch glass — noun 1》 Brit. a glass disc covering the dial of a watch. 2》 a concave glass disc used in a laboratory to hold material for use in experiments … English new terms dictionary
Multiplying glass — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… … The Collaborative International Dictionary of English
Anglo-Saxon glass — has been found across England during archaeological excavations of both settlement and cemetery sites. Glass in the Anglo Saxon period was used in the manufacture of a range of objects including vessels, beads, windows and was even used in… … Wikipedia
Crown glass (optics) — This article is about crown glass as used in optics. For the window glass, see Crown glass (window). Crown glass is type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low… … Wikipedia
Flint glass — is optical glass that has relatively high refractive index and low Abbe number. Flint glasses are arbitrarily defined as having an Abbe number of 50 to 55 or less. The currently known flint glasses have refractive indices ranging between 1.45 and … Wikipedia
crystal glass — Flint glass Flint glass (Chem.) A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; so … The Collaborative International Dictionary of English
Flint glass — (Chem.) A soft, heavy, brilliant glass, consisting essentially of a silicate of lead and potassium. It is used for tableware, and for optical instruments, as prisms, its density giving a high degree of dispersive power; so called, because… … The Collaborative International Dictionary of English
watch glass — noun 1. laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker • Hypernyms: ↑dish 2. a protective cover that protects the face of a watch • Syn: ↑crystal, ↑watch crystal • Hypernyms: ↑prote … Useful english dictionary
magnifying glass — Synonyms and related words: achromatic lens, astigmatic lens, burning glass, camera, coated lens, concave lens, concavo convex lens, condenser, convex lens, eyeglass, eyepiece, glass, hand lens, lens, magnifier, meniscus, object glass, objective … Moby Thesaurus
reading glass — Synonyms and related words: achromatic lens, astigmatic lens, burning glass, camera, coated lens, concave lens, concavo convex lens, condenser, convex lens, eyeglass, eyepiece, glass, hand lens, lens, magnifier, magnifying glass, meniscus, object … Moby Thesaurus