|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|1.||usual; regular; common; typical: the normal way of doing it; the normal level|
|2.||constituting a standard: if we take this as normal|
|a. being within certain limits of intelligence, educational success or ability, etc|
|b. conforming to the conventions of one's group|
|4.||biology, med (of laboratory animals) maintained in a natural state for purposes of comparison with animals treated with drugs, etc|
|5.||chem N (of a solution) containing a number of grams equal to the equivalent weight of the solute in each litre of solvent|
|6.||chem denoting a straight-chain hydrocarbon: a normal alkane. Prefix: n-, e.g. n-octane|
|7.||geometry another word for perpendicular|
|8.||the usual, average, or typical state, degree, form, etc|
|9.||anything that is normal|
|10.||geometry a line or plane perpendicular to another line or plane or to the tangent of a curved line or plane at the point of contact|
|[C16: from Latin normālis conforming to the carpenter's square, from norma|
normal nor·mal (nôr'məl)
Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical.
Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies.
Occurring naturally and not because of disease, inoculation, or any experimental treatment. Used of immunity.
Of, relating to, or being a solution having one gram equivalent weight of solute per liter of solution.
Of, relating to, or being an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms.
Of, relating to, or characterized by average intelligence or development.