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語源 1

From Latin degressio, from degressus + -io (“forming abstract nouns from verbs”), past perfect participle of degredi (“to descend by steps”), from de- (“down”) + gradi (“to step, walk, go”)

名詞

degression (countable かつ uncountable, 複数形 degressions)

1. (obsolete) Descent, the act of descending.
   • 1486, Henry VII at York in Surtees Misc., 55:

     For your blode this citie made never degression.

2. (economics) Degressive taxation, a system of progressive decreases in a rate of taxation (as tariffs etc.) below certain benchmarks.
   • 1896, R.H.I. Palgrave, Dictionary of Political Economy, volume II, page 244:

     Graduated taxation therefore technically includes progression, degression, and regression.

3. (publishing) Degressive description, a system of varying descriptions of a book in accordance to its importance or available space.
   • 1908, F. Madan in Transactions of the Bibliographical Society, number 9, page 53:

     The principle of degression... It may therefore be worth while to suggest four forms for the description of a book, showing by degressive changes what details may fairly be omitted in short descriptions.

関連する語

• degressive

上位語

• (taxation): graduation

語源 2

See digression.

名詞

degression (複数形 degressions)

1. Obsolete spelling of digression.

参照

• “degression”, in OED Online ⁠, Oxford: Oxford University Press, 1894.
• “degression”, in OED Online ⁠, Oxford: Oxford University Press, 1896.