(mathematics) A set together with a collection of mathematical objects such as other sets, relations or operations which endow it with additional structure.

plural of data structure

(biochemistry) The linear sequence of amino acids covalently linked by peptide bonds to form a single polypeptide chain.

plural of periodic structure

(algebra, universal algebra) Any one of the numerous types of mathematical object studied in algebra and especially in universal algebra;

(grammar) A sentence whose main clause appears at the end, after other, especially dependent, clauses. / (physics) A structure made of bays coupled through one or more coordinates.

plural of metric structure

plural of metrical structure

plural of dramatic structure

(evolutionary theory) A structure in an organism that has lost all or most of its original function in the course of evolution, such as human appendixes.