A contrail; a visible line of condensation flowing from the edge of an airplane wing or similar structure.

(chemistry) any reaction in which two (or more) molecules react with the resulting loss of a molecule of water (or other small molecule); the formal reverse of hydrolysis

(chemistry) The product of a condensation reaction.

(mathematics) A method of computing the determinants of a square matrix by constructing a series of sequentially smaller matrices.

The intramolecular chemical reaction of diesters with base to give β-ketoesters.

plural of ghost condensate

(particle physics) The proposed situation in which a ghost (an excitation of a field with a wrong sign of the kinetic term) acquires a vacuum expectation value, spontaneously breaking Lorentz invariance.

(organic chemistry) A carbon–carbon bond-forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base, resulting in a β-keto ester or a β-diketone.

(chemistry) Synonym of Darzens reaction

plural of condensed milk