perimeter

As a noun perimeter

is (mathematics) the sum of the distance of all the lengths of the sides of an object.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between perimeter and envelope

is that perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object while envelope is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

As a verb envelope is

(nonstandard).

As nouns the difference between criteria and perimeter

is that criteria is while perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object.

As a noun perimeter

is (mathematics) the sum of the distance of all the lengths of the sides of an object.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between perimeter and precinct

is that perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object while precinct is (chiefly|in the plural) an enclosed space having defined limits, normally marked by walls.

As nouns the difference between perimeter and pirameter

is that perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object while pirameter is (dated) a dynamometer for ascertaining the power required to draw carriages over roads.

As a noun perimeter

is (mathematics) the sum of the distance of all the lengths of the sides of an object.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between peripheral and perimeter

is that peripheral is (computing) a device, such as a printer or scanner, connected to a computer while perimeter is (mathematics) the sum of the distance of all the lengths of the sides of an object.

As an adjective peripheral

is on the periphery or boundary.

In mathematics terms the difference between domain and perimeter

is that domain is a {{l/en|ring}} with no zero divisors; that is, in which no {{l/en|product}} of nonzero elements is zero while perimeter is the length of such a boundary.

As nouns the difference between domain and perimeter

is that domain is a geographic area owned or controlled by a single person or organization while perimeter is the sum of the distance of all the lengths of the sides of an object.