the greatest quantity or amount possible, assignable, allowable, etc.

the highest amount, value, or degree attained or recorded.

an upper limit allowed or allowable by law or regulation.

Mathematics.

Also called relative maximum,local maximum.the value of a function at a certain point in its domain, which is greater than or equal to the values at all other points in the immediate vicinity of the point.Compare absolute maximum.

the point in the domain at which a maximum occurs.

adjective

that is a maximum; greatest or highest possible or attained: maximum satisfaction; maximum temperature.

pertaining to a maximum or maximums.

Origin of maximum

1730–40; < Latin, noun use of neuter of maximus, superlative of magnus great, large

Related formsmax·i·mum·ly, adverbsub·max·i·mum, adjective

British Dictionary definitions for relative-maximum

maximum

nounplural-mumsor-ma (-mə)

the greatest possible amount, degree, etc

the highest value of a variable quantity

maths

a value of a function that is greater than any neighbouring value

a stationary point on a curve at which the tangent changes from a positive value on the left of this point to a negative value on the rightCompare minimum (def. 4)

the largest number in a set

astronomy

the time at which the brightness of a variable star has its greatest value

the magnitude of the star at that time

adjective

of, being, or showing a maximum or maximums

Abbreviation: max

Word Origin for maximum

C18: from Latin: greatest (the neuter form used as noun), from magnus great

1740, from French maximum and directly from Latin maximum (plural maxima), neuter of maximus "greatest," which is superlative of magnus "great, large" (see magnum).