🇨🇳Chinese Source WordCode: ZH

氧化钙

Pronunciation / Transliteration: Yǎnghuà gāi

🇬🇧 Direct English Meaning:
Calcium Oxide/ˈkæl.si.əm ˈɒk.saɪd/
nounCEFR B2 (Upper)Top #1500 frequency
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🇨🇳 Example Sentence in Chinese:

"氧化钙在水泥生产中起着重要作用。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A white, caustic, alkaline crystalline solid at room temperature, commonly known as quicklime, used in various industrial processes.

    "Calcium oxide is often used in the production of cement and glass."
  2. 2

    A chemical compound with the formula CaO, formed by the reaction of calcium with oxygen.

    "In laboratories, calcium oxide is utilized as a drying agent due to its hygroscopic properties."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'calcium oxide' derives from the Latin word 'calx', meaning lime, and the Greek word 'oxys', meaning sharp or acid. The term has evolved through the study of chemistry in the 18th century, where it was identified as a compound formed by the reaction of calcium with oxygen.

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