from The American Heritage® Dictionary of the English Language, 5th Edition.

  • conjunction Mathematics Increased by the addition of.
  • conjunction Added to; along with.
  • conjunction Usage Problem And.
  • adjective Positive or on the positive part of a scale.
  • adjective Added or extra.
  • adjective Informal Increased to a further degree or number.
  • adjective Ranking on the higher end of a designated scale.
  • adjective Physics Positive.
  • adjective Plus-size.
  • noun Mathematics The plus sign (+).
  • noun A positive quantity.
  • noun A favorable condition or factor.

from The Century Dictionary.

  • 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 the GNU version of the Collaborative International Dictionary of English.

  • adjective (Math.) More, required to be added; positive, as distinguished from negative; -- opposed to minus.
  • adjective Hence, in a literary sense, additional; real; actual.
  • adjective (Math.) the sign (+) which denotes addition, or a positive quantity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • conjunction sum of the previous one and the following one.
  • conjunction colloquial with; having in addition
  • conjunction and also; in addition
  • noun A positive quantity.
  • noun An asset or useful addition.
  • noun arithmetic A plus sign: +.
  • adjective Being positive rather than negative or zero.
  • adjective Positive, or involving advantage.
  • adjective physics Electrically positive.
  • verb informal To add; to subject to addition.

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

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


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

[Latin plūs, more; see pelə- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin plus ("more").


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