misrepresentation

from The Century Dictionary.

• noun Erroneous or false representation; an unfair or dishonest account or exposition; a false statement: as, to injure one's character by misrepresentations.
• noun Incorrect or unfaithful representation in the capacity of agent or official representative, as of a principal in a matter of business, or of constituents in legislation.
• noun In map-making, faultiness in a map-projection, estimated with regard to its unequal scale in different parts and to its distortion of angles.

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

• noun Untrue representation; false or incorrect statement or account; -- usually unfavorable to the thing represented.

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

• noun Erroneous or false representation; an unfair or dishonest account or exposition; a false statement: as, to injure one's character by misrepresentations.
• noun Incorrect or unfaithful representation in the capacity of agent or official representative, as of a principal in a matter of business, or of constituents in legislation.
• noun In map-making, faultiness in a map-projection, estimated with regard to its unequal scale in different parts and to its distortion of angles.

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

• noun a willful perversion of facts
• noun a misleading falsehood