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1. Being usual, typical or standard; not abnormal
   "serve wine at normal room temperature"; "normal diplomatic relations"; "normal working hours"; "normal word order"; "normal curiosity"; "the normal course of events"
    
2. (geometry) forming a right angle
    
3. In accordance with scientific laws
    
4. (psychology) 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"
    
5. (statistics and physics) having a normal distribution
   - Gaussian

1. Something regarded as a normative example
   - convention, pattern, rule, formula
    
2. (geometry) a line or vector that is perpendicular to line or surface

Derived forms: normals

See also: average, mean, median, modal, natural, normalcy [N. Amer], normality, perpendicular, regular, sane, standard, typical

Type of: practice

Antonym: abnormal, paranormal, unnatural

Encyclopedia: Normal, IL