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normal

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adjective nor·mal \ˈnȯr-məl\

Definition of normal

  1. 1 :  perpendicular; especially :  perpendicular to a tangent (see 1tangent 1a) at a point of tangency

  2. 2a :  according with, constituting, or not deviating from a norm, rule, or principle <The normal way to pluralize a noun is by adding -s.>b :  conforming to a type, standard, or regular pattern <normal working hours> <He had a normal childhood.> <the effect of normal aging>

  3. 3 :  occurring naturally <normal immunity>

  4. 4a :  of, relating to, or characterized by average intelligence or development <IQs within the normal range>b :  free from mental illness :  mentally sound <symptoms of paranoia in otherwise normal persons>

  5. 5a of a solution :  having a concentration of one gram equivalent of solute per literb :  containing neither basic hydroxyl nor acid hydrogen <normal silver phosphate>c :  not associated <normal molecules>d :  having a straight-chain structure <normal butyl alcohol>

  6. 6 of a subgroup :  having the property that every coset produced by operating on the left by a given element is equal to the coset produced by operating on the right by the same element

  7. 7 :  relating to, involving, or being a normal curve or normal distribution <normal approximation to the binomial distribution>

  8. 8 of a matrix :  having the property of commutativity under multiplication by the transpose of the matrix (see matrix 5a) each of whose elements is a conjugate (see 1conjugate 2b) complex number with respect to the corresponding element of the given matrix

normality

play \nȯr-ˈma-lə-tē\ noun

normally

play \ˈnȯr-mə-lē\ adverb

Examples of normal in a sentence

  1. He had a normal childhood.

  2. These little setbacks are a normal part of life.

  3. a potato twice as big as normal size

  4. Despite her illness, she was able to lead a normal life.

  5. They had a normal, healthy baby.

  6. Normal people don't react that way.

Origin and Etymology of normal

Latin normalis, from norma


First Known Use: circa 1696

Synonym Discussion of normal

regular, normal, typical, natural mean being of the sort or kind that is expected as usual, ordinary, or average. regular stresses conformity to a rule, standard, or pattern <the club's regular monthly meeting>. normal implies lack of deviation from what has been discovered or established as the most usual or expected <normal behavior for a two-year-old>. typical implies showing all important traits of a type, class, or group and may suggest lack of strong individuality <a typical small town>. natural applies to what conforms to a thing's essential nature, function, or mode of being <the natural love of a mother for her child>.

2

normal

noun nor·mal

Definition of normal

  1. 1a :  a normal lineb :  the portion of a normal line to a plane curve between the curve and the x-axis

  2. 2 :  one that is normal

  3. 3 :  a form or state regarded as the norm :  standard

Examples of normal in a sentence

  1. Your blood pressure is higher than normal.

  2. Let's hope everything returns to normal soon.

  3. I'm glad that things are back to normal.

  4. Oil prices are above normal.

Origin and Etymology of normal

see 1normal


First Known Use: 1728


Normal

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geographical name Nor·mal \ˈnȯr-məl\

Definition of Normal

  1. town north of Bloomington in central Illinois population 52,497



NORMAL Defined for English Language Learners

1

normal

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adjective nor·mal \ˈnȯr-məl\

Definition of normal for English Language Learners

  • : usual or ordinary : not strange

  • : mentally and physically healthy


2

normal

noun nor·mal

Definition of normal for English Language Learners

  • : the usual or expected state, level, amount, etc.


NORMAL Defined for Kids

1

normal

play
adjective nor·mal \ˈnȯr-məl\

Definition of normal for Students

  1. 1 :  of the regular or usual kind <a normal day>

  2. 2 :  healthy in body or mind <a normal baby boy>

normally

adverb

History for normal

People who work with wood use something called a square to make and check right angles. The English word normal came from the Latin word for this kind of square, norma, which also meant “standard” or “pattern.” Normal at first meant “forming a right angle.” Later normal came to mean “by a rule or pattern” or “regular.”


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normal

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noun nor·mal

Definition of normal for Students

  1. :  the usual form, state, level, or amount :  average <After the County Fair, life in Centerburg eases itself back to normal. — Robert McCloskey, Homer Price>


Medical Dictionary

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normal

play
adjective nor·mal \ˈnȯr-məl\

Medical Definition of normal

  1. 1a:  according with, constituting, or not deviating from a norm, rule, or principleb:  conforming to a type, standard, or regular pattern

  2. 2:  occurring naturally and not because of disease, inoculation, or any experimental treatment <normal immunity>

  3. 3a:  of, relating to, or characterized by average intelligence or developmentb:  free from mental illness :  sanec:  characterized by balanced well-integrated functioning of the organism as a whole

  4. 4aof a solution :  having a concentration of one gram equivalent of solute per literb:  containing neither basic hydrogen nor acid hydrogen <normal phosphate of silver>c:  not associated <normal molecules>d:  having a straight-chain structure <normal pentane>

normally

\ˈnȯr-mə-lē\play adverb

2

normal

noun nor·mal

Medical Definition of normal

  1. :  a subject who is normal



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