The difference between Measure and Positive measure

When used as nouns, measure means moderation, temperance, whereas positive measure means a function whose domain is a σ-algebra, whose codomain is [0,∞], and which is countably additive.


Measure is also verb with the meaning: to ascertain the quantity of a unit of material via calculated comparison with respect to a standard.

check bellow for the other definitions of Measure and Positive measure

  1. Measure as a noun (obsolete):

    A prescribed quantity or extent. Moderation, temperance. A limit that cannot be exceeded; a bound. (Now chiefly in set phrases.) An (unspecified) portion or quantity.

    Examples:

    "a measure of salt"

  2. Measure as a noun (now, chiefly, cooking):

    The act or result of measuring. A receptacle or vessel of a standard size, capacity etc. as used to deal out specific quantities of some substance. A standard against which something can be judged; a criterion. Any of various standard units of capacity. A unit of measurement. The size of someone or something, as ascertained by measuring. (Now chiefly in .) The act or process of measuring. A ruler, measuring stick, or graduated tape used to take measurements. A number which is contained in a given number a number of times without a remainder; a divisor or factor. A bed or stratum. A function that assigns a non-negative number to a given set following the mathematical nature that is common among length, volume, probability and the like.

    Examples:

    "Honesty is the true measure of a man."

    "The villagers paid a tithe of a thousand measures of corn."

    "rfquotek Shakespeare"

    "the greatest common measure of two or more numbers"

    "coal measures; lead measures"

  3. Measure as a noun (now, archaic):

    Metrical rhythm. A melody. A dance. The manner of ordering and combining the quantities, or long and short syllables; meter; rhythm; hence, a metrical foot. A musical designation consisting of all notes and or rests delineated by two vertical bars; an equal and regular division of the whole of a composition; a bar.

    Examples:

    "a poem in iambic measure"

  4. Measure as a noun (in plural):

    A course of action. Actions designed to achieve some purpose; plans. A piece of legislation.

  1. Measure as a verb:

    To ascertain the quantity of a unit of material via calculated comparison with respect to a standard.

    Examples:

    "We measured the temperature with a thermometer. You should measure the angle with a spirit level."

  2. Measure as a verb:

    To be of (a certain size), to have (a certain measurement)

    Examples:

    "The window measured two square feet."

  3. Measure as a verb:

    To estimate the unit size of something.

    Examples:

    "I measure that at 10 centimetres."

  4. Measure as a verb:

    To judge, value, or appraise.

  5. Measure as a verb:

    To obtain or set apart; to mark in even increments.

  6. Measure as a verb (rare):

    To traverse, cross, pass along; to travel over.

  7. Measure as a verb:

    To adjust by a rule or standard.

  8. Measure as a verb:

    To allot or distribute by measure; to set off or apart by measure; often with out or off.

  1. Positive measure as a noun (analysis):

    A function whose domain is a σ-algebra, whose codomain is [0,∞], and which is countably additive.