Definition of "normal" []

• Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical: normal room temperature; one's normal weight; normal diplomatic relations. (adjective)
• Biology Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies. (adjective)
• Chemistry Designating a solution having one gram equivalent weight of solute per liter of solution. (adjective)
• Chemistry Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms. (adjective)
• Mathematics Being at right angles; perpendicular. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If the response is that it is used, but not with its normal semantic value, then we are left with the challenge of defining ˜normal™ and ˜abnormal™ semantic values."
• " predominantly a normal existence ... which continued to be a normal  existence, not only at the will or whim of this antisocial pathological  mental condition."
• "I was starting to realize that the term normal was relative."