pseudovector

As nouns the difference between terms and pseudovector

is that terms is while pseudovector is (mathematics|physics) a quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation.

As nouns the difference between sign and pseudovector

is that sign is (sometimes|also used uncountably) a visible indication while pseudovector is (mathematics|physics) a quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation.

As a verb sign

is to make a mark.

As nouns the difference between vector and pseudovector

is that vector is a directed quantity, one with both magnitude and direction; the signed difference between two points while pseudovector is a quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation.

As a verb vector

is to set (particularly an aircraft) on a course toward a selected point.

As nouns the difference between transform and pseudovector

is that transform is the result of a transformation while pseudovector is a quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation.

As a verb transform

is to change greatly the appearance or form of.

As nouns the difference between quantity and pseudovector

is that quantity is a fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items while pseudovector is a quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotation.