(organic chemistry) Any dioic acid in which the carboxylate groups are separated by a double bond

(organic chemistry) Any dione (diketone) in which the two carbonyl groups are separated by a double bond

(differential geometry) A quantitative measure of how much a given surface deviates from a round sphere.

plural of enemy line

(military) The line of battle of one's enemy. / (military, also figuratively, usually in the plural) The boundary of the territory controlled by the enemy.

Alternative form of bioenergy

An alternative energy vehicle. A vehicle which is fuelled by an uncommon energy source, as compared to the vast marketplace of conventionally fuelled vehicles, as of the turn of the 21st century.

(physics) A measure of the bending of ingoing and outgoing rays of light that are orthogonal to a 2-sphere surrounding a region of space whose mass is to be defined.

An emotionally heightened state of mind experienced at the beginning of sexual and romantic relationships.

Third-person singular simple present indicative form of enecate