Wood that forms (in a woody plant) in response to gravity, which differs from normal wood in ways that give it additional strength so that a branch (etc) can resist bending downward or breaking.

plural of Boudouard reaction

plural of cytotoxic reaction

(medicine, biology) an immunological reaction in which a noncytotropic antibody combines with a specific antigen on the surface of a cell

(military, euphemistic) The bombing of enemy targets, ostensibly in self-defense.

plural of protective reaction

fuel for nuclear energy

(organic chemistry) A process used to form carbon-carbon bonds through a 1,4-addition reaction utilizing a nucleophilic catalyst.

plural of Stetter reaction

plural of Bunsen reaction