The difference between Normal and Usual

When used as adjectives, normal means according to norms or rules, whereas usual means most commonly occurring.

Normal is also noun with the meaning: a line or vector that is perpendicular to another line, surface, or plane.

check bellow for the other definitions of Normal and Usual

  1. Normal as an adjective:

    according to norms or rules

    Examples:

    "Organize the data into third normal form."

  2. Normal as an adjective:

    healthy; not sick or ill

    Examples:

    "John is feeling normal again."

  3. Normal as an adjective (education, of a school):

    teaching teachers how to teach

    Examples:

    "My grandmother attended Mankato State Normal School."

  4. Normal as an adjective (chemistry):

    of, relating to, or being a solution containing one equivalent weight of solute per litre of solution

  5. Normal as an adjective (organic chemistry):

    describing a straight chain isomer of an aliphatic hydrocarbon, or an aliphatic compound in which a substituent is in the 1- position of such a hydrocarbon

  6. Normal as an adjective (physics, of a mode in an oscillating system):

    in which all parts of an object vibrate at the same frequency

  7. Normal as an adjective (rail transport, of points):

    in the default position, set for the most frequently used route

  8. Normal as an adjective (geometry):

    perpendicular to a tangent of a curve or derivative of a surface

  9. Normal as an adjective (mathematics):

    adhering to or being what is considered natural or regular in a particular field or context: whose digits, in any base representation, enjoy a uniform distribution with cosets which form a group which is the splitting field of a family of polynomials in K which has a very specific bell curve shape; that is or has the qualities of a normal distribution which has a normal distribution; which is associated with random variable that has a normal distribution which is pre-compact which is strictly monotonically increasing and continuous with respect to the order topology which commutes with its conjugate transpose which commutes with its adjoint being (as a morphism) or containing (as a category) only normal epimorphism(s) or monomorphism(s), that is, those which are the kernel or cokernel of some morphism, respectively in which disjoint closed sets can be separated by disjoint neighborhoods

  1. Normal as a noun (geometry):

    a line or vector that is perpendicular to another line, surface, or plane.

  2. Normal as a noun (slang, countable):

    a person who is normal, who fits into mainstream society, as opposed to those who live alternative lifestyles.

  3. Normal as a noun (uncountable):

    the usual state.

    Examples:

    "His workload is now back to normal."

    "Heavy workload is the new normal."

  1. Usual as an adjective:

    Most commonly occurring; typical.

    Examples:

    "The preference of a boy to a girl is a usual occurrence in some parts of China."

    "It is becoming more usual these days to rear children as bilingual."

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