Word:

# Normal

Nor´mal   Pronunciation: nôr´mal
a.1.
1.According to an established norm, rule, or principle; conformed to a type, standard, or regular form; performing the proper functions; not abnormal; regular; natural; analogical.
Deviations from the normal type.
2.(Geom.) According to a square or rule; perpendicular; forming a right angle; as, a line normal to the base. Specifically: Of or pertaining to a normal.
3.(Chem.) Standard; original; exact; typical.
 Normal equations (Method of Least Squares) a set of equations of the first degree equal in number to the number of unknown quantities, and derived from the observations by a specified process. The solution of the normal equations gives the most probable values of the unknown quantities.
 Normal group (Geol.) a group of rocks taken as a standard.
 Normal place (Astron.) the apparent place in the heavens of a planet or comet at a specified time, the place having been determined by a considerable number of observations, extending perhaps over many days, and so combined that the accidental errors of observation have largely balanced each other.- Lyell.
 Normal school a school whose methods of instruction are to serve as a model for imitation; an institution for the training of teachers.
n.1.(Geom.) Any perpendicular.
2.(Geom.) A straight line or plane drawn from any point of a curve or surface so as to be perpendicular to the curve or surface at that point.
 Noun 1 normal - something regarded as a normative example; "the convention of not naming the main character"; "violence is the rule not the exception"; "his formula for impressing visitors"Synonyms: convention, rule, pattern, formula Adj. 1 normal - conforming with or constituting a norm or standard or level or type or social norm; not abnormal; "serve wine at normal room temperature"; "normal diplomatic relations"; "normal working hours"; "normal word order"; "normal curiosity"; "the normal course of events"Antonyms: abnormal - not normal; not typical or usual or regular or conforming to a norm; "abnormal powers of concentration"; "abnormal amounts of rain"; "abnormal circumstances"; "an abnormal interest in food" 2 normal - in accordance with scientific lawsAntonyms: paranormal - not in accordance with scientific laws; "what seemed to be paranormal manifestations" 3 normal - being approximately average or within certain limits in e.g. intelligence and development; "a perfectly normal child"; "of normal intelligence"; "the most normal person I've ever met"Antonyms: abnormal - departing from the normal in e.g. intelligence and development; "they were heartbroken when they learned their child was abnormal"; "an abnormal personality" 4 normal - forming a right angle