different between subtraction vs abatement

English

Alternative forms

• substraction (obsolete)

Etymology

Borrowed from Late Latin subtractio, subtractionis.

Pronunciation

• IPA^(key): /s?b?t?æk??n/
• Rhymes: -æk??n

Noun

subtraction (countable and uncountable, plural subtractions)

1. (arithmetic, uncountable) The process of subtracting a number from another.
2. (arithmetic, countable) A calculation involving subtracting.

   The teacher has set us ten subtractions to do by tomorrow.

3. The removal of something.

   The subtraction of the wealth from the economy will result in recession.

Related terms

• subtract

Translations

See also

• addition, summation: (augend) + (addend) = (summand) + (summand) = (sum, total)
• subtraction: (minuend) ? (subtrahend) = (difference)
• multiplication: (multiplier) × (multiplicand) = (factor) × (factor) = (product)
• division: (dividend) ÷ (divisor) = (quotient), remainder left over if divisor does not divide dividend
• minus sign

English

Etymology 1

From Middle French abatement, from Old French abatre. Equivalent to abate (“to beat down”) +? -ment (“the result of”).

Pronunciation

• (US, UK) IPA^(key): /??be?t.m?nt/

Noun

abatement (countable and uncountable, plural abatements)

1. The act of abating, or the state of being abated; a lessening, diminution, or reduction; a moderation; removal or putting an end to; the suppression of. [First attested from 1340 to 1470.]

   The abatement of a nuisance is the suppression thereof.

2. The amount abated; that which is taken away by way of reduction; deduction; decrease; a rebate or discount allowed; in particular from a tax. [Late 15^th century.]
3. (heraldry) A mark of dishonor on an escutcheon; any figure added to the coat of arms tending to lower the dignity or station of the bearer.[Early 17^th century.]

Synonyms

allowance, assuagement, declension, decline, decrease, deduction, depreciation, diminution, discount, drawback, ebb, evanishment, fading, lessening, lowering, mitigation, moderation, rebate, reduction, remission, settling, sinking, subsidence, waning

Antonyms

accession, accretion, aggrandizement, augmentation, development, dilation, enlargement, growth, increase, increment,

Derived terms

• defense in abatement
• plea in abatement

Translations

Etymology 2

From Middle English, from Anglo-Norman abatre (“to abate”) + -ment.

Noun

abatement (countable and uncountable, plural abatements)

1. (law) The action of a person that abates, or without proper authority enters a residence after the death of the owner and before the heir takes possession.
2. (law) The reduction of the proceeds of a will, when the debts have not yet been satisfied; the reduction of taxes due.[First attested around 1150 to 1350.]

References

• The Manual of Heraldry, Fifth Edition, by Anonymous, London, 1862, online at [1]