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🇨🇳Chinese Source WordCode: ZH

不规则四边形

Pronunciation / Transliteration: bù guīzé sìbiānxíng

🇬🇧 Direct English Meaning:
Trapezium/trəˈpiː.zi.əm/
nounCEFR C1 (Advanced)Top #45000 frequency
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🇨🇳 Example Sentence in Chinese:

"我们在黑板上画了一个不规则四边形。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A quadrilateral plane figure having no sides parallel.

    "In geometry class, the students calculated the area of an irregular trapezium."
  2. 2

    In human anatomy, the carpal bone at the base of the first metacarpal bone of the thumb, or an alternative name for the trapezius muscle.

    "The physician examined the patient's hand for tenderness near the trapezium bone."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Late Latin word trapezium, itself coming from the Greek trapezion meaning a little table, diminutive of trapeza meaning table or counter. The term evolved mathematically to describe a quadrilateral with no parallel sides, and later anatomically to describe specific bone structures and muscles.

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