平方
Chinese edit
flat; level; equal flat; level; equal; to make the same score; to tie; to draw; calm; peaceful |
square; quadrilateral; place square; quadrilateral; place; region; direction; side; method; way; prescription; power; upright; just | ||
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simp. and trad. (平方) |
平 | 方 |
Pronunciation edit
Noun edit
平方
- (arithmetic) square (as in square foot, square mile, square root); second power
- 用減弦外,有十六,開平方,除得四步為勾,倍之為所割直徑。 [Classical Chinese, trad.]
- From: 1088 CE, Shen Kuo, Dream Pool Essays
- Yòng jiǎn xián wài, yǒu shíliù, kāi píngfāng, chú dé sì bù wèi gōu, bèi zhī wèi suǒ gē zhíjìng. [Pinyin]
- (please add an English translation of this usage example)
用减弦外,有十六,开平方,除得四步为勾,倍之为所割直径。 [Classical Chinese, simp.]
Derived terms edit
Descendants edit
Sino-Xenic (平方):
- → Japanese: 平方 (heihō)
- → Korean: 평방(平方) (pyeongbang)
- → Vietnamese: bình phương (平方)
See also edit
Classifier edit
平方
- (chiefly Mainland China) Short for 平方米 (píngfāngmǐ, “square metre”).
Synonyms edit
Japanese edit
Kanji in this term | |
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平 | 方 |
へい Grade: 3 |
ほう Grade: 2 |
kan’on | on’yomi |
Etymology edit
Probably from Chinese 平方 (píngfāng, literally "flat square", "flat" because it accounts for 2 dimensions only). Compare 立方 (rippō, “cube”, literally "standing square", accounting for the third dimension).
First attested in Japanese in a text from 1875.[1]
Pronunciation edit
Noun edit
- [from 1886] (mathematics) the second power of a number etc., square
- [from 1875] a square area
Coordinate terms edit
- (mathematics): 立方 (rippō): third power, cube
- (mathematics): 乗 (jō): -power, as in nth power
- (area): 平米 (heibei): a square meter
- (volume): 立米 (ryūbei): a cubic meter
Derived terms edit
References edit
- ^ Shōgaku Tosho (1988) 国語大辞典(新装版) [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN
- ^ Matsumura, Akira, editor (2006), 大辞林 (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN
Korean edit
Hanja in this term | |
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平 | 方 |
Noun edit
Vietnamese edit
chữ Hán Nôm in this term | |
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平 | 方 |
Noun edit
平方
- chữ Hán form of bình phương (“square”).
Adjective edit
平方
- chữ Hán form of bình phương (“squared”).