(economics, mathematics) A sub-field of economics which aims at expressing economic theories with mathematic formulae.

Intense pleasure. / A state of emotion so intense that a person is carried beyond rational thought and self-control. / A trance, frenzy, or rapture associated with mystic or prophetic exaltation.

(intransitive) To experience intense pleasure. / (transitive) To cause intense pleasure in.

Feeling or characterized by ecstasy. / Extremely happy. / Relating to, or caused by, ecstasy or excessive emotion.

(in the plural) Transports of delight; words or actions performed in a state of ecstasy. / A person in a state of ecstasy.

Pertaining to an economy. / Frugal; cheap (in the sense of representing good value); economical. / Pertaining to the study of money and its movement.

(intransitive) To practice being economical (by using things sparingly or in moderation, and by avoiding waste or extravagance). / (transitive) To use frugally.

(astronomy) The great circle on the celestial sphere that is the mean apparent path of the sun as viewed from the earth. / (astronomy) Also, the plane in which this great circle lies.

Relating to an eclipse or the ecliptic.

Of or pertaining to the church.