diameter

In geometry terms the difference between diameter and dimension

is that diameter is the maximum distance between any two points in a metric space while dimension is the number of independent coordinates needed to specify uniquely the location of a point in a space; also, any of such independent coordinates.

As a verb dimension is

to mark, cut or shape something to specified dimensions.

As nouns the difference between diameter and caliber

is that diameter is (geometry) any straight line between two points on the circumference of a circle that passes through the centre/center of the circle while caliber is .

In geometry terms the difference between chord and diameter

is that chord is a straight line between two points of a curve while diameter is the maximum distance between any two points in a metric space.

As nouns the difference between chord and diameter

is that chord is (music) A harmonic set of three or more notes that is heard as if sounding simultaneously while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As a verb chord

is to write chords for.

As nouns the difference between extent and diameter

is that extent is a range of values or locations while diameter is (geometry) any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As an adjective extent

is (obsolete) extended.

As nouns the difference between perimeter and diameter

is that perimeter is the sum of the distance of all the lengths of the sides of an object while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As nouns the difference between caliper and diameter

is that caliper is uncommon variant of calipers while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As nouns the difference between thickness and diameter

is that thickness is the property of being thick (in dimension) while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As nouns the difference between size and diameter

is that size is subject, topic while diameter is (geometry) any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As nouns the difference between dimeter and diameter

is that dimeter is a line in a poem having two metrical feet while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.