normal Idioms & Phrases

normal curve

  • noun a symmetrical curve representing the normal distribution
    bell-shaped curve; Gaussian shape; Gaussian curve.

normal distribution

  • noun a theoretical distribution with finite mean and variance
    Gaussian distribution.

normal dwarf

  • noun an achondroplastic dwarf whose small size is the result of a genetic defect; body parts and mental and sexual development are normal
    hypoplastic dwarf; true dwarf; primordial dwarf.

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.
Webster 1913

normal fault

  • noun an inclined fault in which the hanging wall appears to have slipped downward relative to the footwall
    gravity fault; common fault.

Normal group

  • (Geol.), a group of rocks taken as a standard. Lyell.
Webster 1913

Normal place

  • (of a planet or comet) (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.
Webster 1913

Normal school

  • noun a two-year school for training elementary teachers
    teachers college.
  • a school whose methods of instruction are to serve as a model for imitation; an institution for the training of teachers.
Webster 1913

normal tension glaucoma

  • noun glaucoma that results from damage to the optic nerve although the intraocular pressure is normal