Word.ws English Dictionary

contribution base

contribution base noun: the adjusted gross income of a taxpayer, excluding any deductions for net operating loss carrybacks.

Noun

contribution base (uncountable)

  1. The adjusted gross income of a taxpayer, excluding any deductions for net operating loss carrybacks.
    • The maximum federal income tax charitable contribution deduction for a tax year for an individual is 50 percent of his or her contribution base.2005, Bruce R. Hopkins, The Tax Law of Charitable Giving, page 189
    • As the average annual growth in the contribution base over the same period was only 0.3 percent, the common simplification that the rate of return equals the growth in the contribution base revealed less than half of the true return.2006, Robert Holzmann, Edward E. Palmer, Edward L. Palmer, Pension Reform, page 118

Questions about contribution base

What does contribution base mean?
Contribution base means the adjusted gross income of a taxpayer, excluding any deductions for net operating loss carrybacks.
What part of speech is contribution base?
Contribution base is a noun.

Words near contribution base in the dictionary

  1. contributer
  2. contributers
  3. contributes
  4. contributing
  5. contribution
  6. contribution base
  7. contributional
  8. contributions
  9. contributive
  10. contributively
  11. contributiveness

Source and license

Adapted from Wiktionary: contribution base (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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