quicklime
/'kwiklaim/
Definition
- Noun:
- A white crystalline oxide used in the production of calcium hydroxide: Quicklime is a chemical compound, calcium oxide (CaO), produced by heating limestone. It is a caustic, alkaline substance that reacts vigorously with water.
Usage
- Quicklime is primarily an industrial and chemical term. It is used in contexts related to construction, manufacturing, and chemistry.
- It is typically used as a non-count noun (e.g., "quicklime," not "a quicklime").
Examples
- Noun:
- The factory produces quicklime by calcining limestone in a kiln.
- When water is added to quicklime, an exothermic reaction produces slaked lime.
- Handling quicklime requires protective equipment due to its corrosive nature.
Advanced Usage
- "To slake quicklime": This phrase describes the process of adding water to calcium oxide to produce calcium hydroxide (slaked lime).
- The traditional method involves slaking quicklime in a pit to create lime mortar.
Variants and Related Words
- Calcium oxide (CaO): The systematic chemical name for quicklime.
- Burnt lime: Another common name for quicklime.
- Lime: In industrial and construction contexts, "lime" can sometimes refer to quicklime, though it is a broader term that can also include calcium hydroxide (slaked lime) and calcium carbonate (limestone). Precision is needed to avoid confusion.
- Slaked lime / Hydrated lime: Calcium hydroxide (Ca(OH)₂), the product formed when quicklime reacts with water.
Synonyms
- Calcium oxide: The precise chemical synonym.
- Burnt lime: An industrial synonym.
- Unslaked lime: A term emphasizing it has not yet reacted with water.
Related Phrases
- Quicklime mortar: A historical building mortar made by mixing quicklime with sand and water.
- Quicklime pit: A pit used for slaking quicklime.
Noun
-
a white crystalline oxide used in the production of calcium hydroxide
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