from The American Heritage® Dictionary of the English Language, 4th Edition

  • conj. Mathematics Increased by the addition of: Two plus two is four.
  • conj. Added to; along with: Their strength plus their spirit makes them formidable. Intelligence plus wit makes for an interesting person.
  • conj. Usage Problem And: "[He] is a committed man, plus he has imagination, vitality and national stature” ( Merv Griffin).
  • adj. Positive or on the positive part of a scale: a plus value; a temperature of plus five degrees.
  • adj. Added or extra: a plus benefit.
  • adj. Informal Increased to a further degree or number: "At 70 plus, [he] is old enough to be metaphysical” ( Anatole Broyard).
  • adj. Ranking on the higher end of a designated scale: a grade of C plus.
  • adj. Physics Positive.
  • n. Mathematics The plus sign (+).
  • n. A positive quantity.
  • n. A favorable condition or factor: The clear weather was a plus for the golf tournament.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • conj. sum of the previous one and the following one.
  • conj. with; having in addition
  • conj. and also; in addition
  • n. A positive quantity.
  • n. An asset or useful addition.
  • n. A plus sign: +.
  • adj. Being positive rather than negative or zero.
  • adj. Positive, or involving advantage.
  • adj. Electrically positive.
  • v. To add; to subject to addition.

from the GNU version of the Collaborative International Dictionary of English

  • adj. More, required to be added; positive, as distinguished from negative; -- opposed to minus.
  • adj. Hence, in a literary sense, additional; real; actual.

from The Century Dictionary and Cyclopedia

  • More (by a certain amount); increased (by a specified addition): followed by a noun as an apparent object (a preposition, by, to be supplied): as, the interest plus the disbursements amounts to so much; 6 plus 9 is 15: in this and the next two uses correlative to minus.
  • More than nothing; belonging to the positive side, as of an account; above zero, or above the lowest point of positive reckoning: as, a plus quantity in an equation (that is, one having the plus sign, or when initial having no sign, before it).
  • Marking more than zero; positive: as, the plus sign.
  • In etymology, in composition with; with the addition of (the word or element following): expressed, as in mathematics, by the sign + (see the etymologies in this work). The same sign is occasionally used to indicate cognate or related forms

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the arithmetic operation of summing; calculating the sum of two or more numbers
  • n. a useful or valuable quality
  • adj. involving advantage or good
  • adj. on the positive side or higher end of a scale


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin plūs, more.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin plus ("more").



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