A word formed from combining word forms originating from classical languages Ancient Greek or Latin, such as biology.

(chemistry) An amine derivative, containing four radicals, of general formula R₁R₂R₃R₄-N⁺X⁻; the radicals may be the same, different, or part of a ring; X is any univalent anion such as OH⁻.

(chemistry) any compound in which two or more metal atoms are bonded to one another

(chemistry) Any chemical compound in which the number of atoms of each element is not expressible as the ratio of small integers; normally due to missing atoms in a solid state lattice.

plural of quaternary ammonium compound

Any organic chemical compound that can significantly vaporize under conditions of normal atmospheric temperature and pressure.

A radioactive analog of thioflavin T, used in investigational studies of Alzheimer's disease.

plural of metal cluster compound

plural of non-stoichiometric compound

plural of volatile organic compound