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🇨🇳Chinese Source WordCode: ZH

C-4炸药

Pronunciation / Transliteration: C-4 zhàyào

🇬🇧 Direct English Meaning:
C-4/ˌsiːˈfɔːr/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇨🇳 Example Sentence in Chinese:

"拆弹小组安全处理了这块C-4炸药。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A common variety of plastic explosive containing RDX, plasticizer, and a binder, known for its malleability and high destructive power.

    "The bomb disposal unit safely neutralized the block of C-4 found at the site."
  2. 2

    A stable explosive compound widely used in military demolition operations because it can be easily molded into various shapes by hand.

    "Engineers used C-4 to breach the reinforced steel door during the tactical exercise."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Coined in the mid-20th century by the United States military, 'C-4' stands for Composition C-4. It derives from the earlier British and American plastic explosives developed during World War II known simply as Composition C, C-2, and C-3, with the number 4 indicating the fourth evolution of the specific chemical formula containing RDX.

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