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quicklime    
n. 生石灰

生石灰

quicklime
n 1: a white crystalline oxide used in the production of calcium
hydroxide [synonym: {calcium oxide}, {quicklime}, {lime},
{calx}, {calcined lime}, {fluxing lime}, {unslaked lime},
{burnt lime}]

Lime \Lime\, n. [AS. l[imac]m; akin to D. lijm, G. leim, OHG.
l[imac]m, Icel. l[imac]m, Sw. lim, Dan. liim, L. limus mud,
linere to smear, and E. loam. [root]126. Cf. {Loam},
{Liniment}.]
1. Birdlime.
[1913 Webster]

Like the lime
That foolish birds are caught with. --Wordsworth.
[1913 Webster]

2. (Chem.) Oxide of calcium, {CaO}; the white or gray,
caustic substance, usually called {quicklime}, obtained by
calcining limestone or shells, the heat driving off carbon
dioxide and leaving lime. It develops great heat when
treated with water, forming {slaked lime}, and is an
essential ingredient of cement, plastering, mortar, etc.
[1913 Webster PJC]

Note: Lime is the principal constituent of limestone, marble,
chalk, bones, shells, etc.
[1913 Webster]

{Caustic lime}, Calcium hydroxide or slaked lime; also, in a
less technical sense, calcium oxide or quicklime.

{Lime burner}, one who burns limestone, shells, etc., to make
lime.

{Lime pit}, a limestone quarry.

{Lime rod}, {Lime twig}, a twig smeared with birdlime; hence,
that which catches; a snare. --Chaucer.
[1913 Webster]


Quicklime \Quick"lime\, n. [See {Quick}, a.] (Chem.)
Calcium oxide; unslacked lime; -- so called because when wet
it develops great heat. See 4th {Lime}, 2.
[1913 Webster]



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  • Calcium oxide - Wikipedia
    Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound It is a white, caustic, alkaline, crystalline solid at room temperature
  • Quicklime | Formula, Uses, Definition | Britannica
    Quicklime (CaO), compound of one atom of calcium and one atom of oxygen that is a white or grayish white solid produced in large quantities by roasting calcium carbonate so as to drive off carbon dioxide
  • How to Make Quicklime: 10 Steps (with Pictures) - wikiHow
    Quicklime, also known as calcium oxide (CaO), is a caustic alkaline substance It has been used by humans for centuries for many things such as mortar, flux, treating corn, and in mixtures to waterproof boats
  • What to Know Before Using Quicklime in Your Garden
    Quicklime is a chemical compound with the formula CaO (calcium oxide) It is produced by heating limestone (calcium carbonate) at high temperatures in a process called calcination The heating drives off carbon dioxide, leaving behind calcium oxide, which is quicklime
  • Calcium Oxide: From Ancient Warfare to Modern Industry
    Calcium oxide (quicklime) has long supported naval history and maybe even Greek Fire, but today is used for steel and cement manufacturing
  • Quicklime - Lhoist
    Quicklime is produced by heating limestone (calcium carbonate, CaCO 3) to approximately 900°C (1,652°F) This process, known as calcination or lime-burning, releases carbon dioxide and results in the formation of calcium oxide
  • What is Quicklime? - BYJUS
    Quicklime is a calcium oxide formed to release carbon dioxide by calcinating calcium carbonate (limestone) Quicklime is also referred to as handpicked lime, burnt lime, lump lime, calcining lime, and caustic lime
  • Hydrated Lime vs. Quicklime: Key Differences and Best Uses
    What is Quicklime? Quicklime, also known as calcium oxide (CaO), is a highly reactive white powder or granular substance produced by heating limestone at high temperatures in a process called calcination
  • Exploring Quicklime: Uses, Applications, and Importance in Industry and . . .
    Quicklime, also known as calcium oxide (CaO), is a highly reactive, alkaline compound that has been used for centuries in various industries Its applications range from construction and metallurgy to agriculture and environmental protection
  • The Science Behind Quicklime’s Soil Neutralizing Properties
    Quicklime, chemically known as calcium oxide (CaO), is a white, caustic, alkaline substance produced by heating limestone (calcium carbonate, CaCO₃) in a process called calcination





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