addition

• accession
• accretion
• accrual
• accumulating
• accumulation
• addendum
• amplification
• annex
• appendix
• arm
• assemblage
• augmentation
• boost
• collection
• complement
• continuation
• creep
• cumulation
• distension
• distention
• doubling
• ell
• enlargement
• escalation
• expansion
• extension
• gain
• gathering
• growth
• hike
• increase
• increment
• inflation
• jump
• lengthening
• more
• multiplication
• mushrooming
• penthouse
• plus
• proliferation
• quadrupling
• raise
• rise
• run-up
• spike
• spread
• step-up
• supplement
• tripling
• uptick
• uptrend
• upturn
• wing

• abatement
• compressing
• compression
• condensation
• condensing
• constricting
• constriction
• contracting
• contraction
• decline
• decrease
• decrement
• deduction
• depletion
• diminishing
• diminishment
• diminution
• drop
• drop-off
• fall
• falloff
• lessening
• loss
• lowering
• reduction
• retrenching
• retrenchment
• shortening
• shrinkage
• shrinking
• step-down
• subtraction

• noun
  1. The act of adding anything.
  2. Anything that is added.
  3. The arithmetic operation of adding.
  4. A dot at the right side of a note as an indication that its sound is to be lengthened one half.
  5. A title annexed to a person's name to identify him or her more precisely, as in "John Doe, Esq.", "Robert Dale, Mason", "Thomas Way, of New York".
  6. Something added to a coat of arms, as a mark of honour; opposed to abatement.

• In addition to his regular job, he volunteers on weekends.
• The house got a new addition to create more living space.
• Basic math includes addition, subtraction, multiplication, and division.
• They welcomed the addition of a new player to the team.
• The dessert menu features a delicious new addition this season.

gain

gaining

quadrupling

calculation

raise

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