(physics) the state of a system in which its energy distribution is such that all parts of the system have the same temperature and no heat flows

(biology) A carrier for making antigens. Because of its large size and distant relation to humans and many test animals, KLH causes a large antigenic response. When paired with a hapten, the hapten...

An Indian system of social organization linking musicians or dancers by lineage or apprenticeship, and by adherence to a particular musical style and ideology.

(organic chemistry) Any amino acid that has two amino groups and two carboxylic acid groups