(physics) a closely spaced structure of lines in the spectrum of an atom or molecule due to nuclear isotopic effects and/or to nuclear spin

The sequence that a five-act play follows, including exposition, rising action, climax or turning point, falling action, and denouement or catastrophe.

(narratology) The structural framework that underlies the order and manner in which a narrative is presented to a reader, listener, or viewer.

(architecture) A field of research and analysis in architecture that uses studies and details from nature or other sources to produce or create a new structure. It is used in design and architecture to imitate structures and improve them giving them a certain amount of art feeling. Structural research can be also called structural art or structural design.

Misspelling of quaternary structure.

(biochemistry, molecular biology) The manner in which the helices or sheets of a protein are folded to give a three-dimensional structure.

(biochemistry) Any polysaccharide that serves to supply stiffness to a plant (typically cellulose) or insect etc (typically chitin)

(biochemistry, molecular biology) The arrangement of multiple folded or coiled proteins to form a multi-subunit complex.

(chemistry) A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

plural of structural pattern