(economics) The measure of how much money a consumer would pay before a price increase, to avoid the price increase.

(algebra) A mathematical equation in which one or both sides is an algebraic expression, such as 2x + 7y = 3.

(algebra) Any algebraic equation in which one or both sides are in the form of a polynomial.

of, near, or relating to the equator / (organic chemistry) perpendicular to the plane of a ring

(astronomy) A kind of telescope mounted so as to have two axes of motion at right angles to each other, one of them parallel to the axis of the Earth, and each carrying a graduated circle, one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object whose right ascension and declination are known.

(uncountable) The condition of being equivalent or essentially equal. / (countable, mathematics) An equivalence relation; ≡; ~

(transitive) To be equivalent or equal to; to counterbalance.

(pharmacology) Market name for the anabolic steroid boldenone undecylenate.

(geography) Earth’s equator.

The fact of being equal. / (mathematics) The fact of being equal, of having the same value. / The equal treatment of people irrespective of social or cultural differences.