Obverse



GRE

解释

GRE 红宝书

• n. 正面
• ［英］ n. 正面 ( the front or main surface)
• ［记］ ob+verse ( 转) -> 转到外面的一面 -> 正面;
• ［同］ 参考: reverse ( 反面)

Webster Collegiate

I. adjective

• Etymology: Latin obversus, from past participle of obvertere to turn toward, from ob- toward + vertere to turn — more at ob-, worth
• Date: circa 1656
• 1. facing the observer or opponent
• 2. having the base narrower than the top <an obverse leaf>
• 3. constituting the obverse of something ; opposite
• ? obversely adverb

II. noun

• Date: 1658
• 1. the side of a coin or currency note bearing the chief device and lettering; broadly a front or principal surface
• 2. a counterpart having the opposite orientation or force <their rise was merely the obverse of the Empire's fall — A. J. Toynbee>; also opposite 1 <joy and its obverse, sorrow>
• 3. a proposition inferred immediately from another by denying the opposite of what the given proposition affirms <the obverse of “all A is B” is “no A is not B” >

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