(physics) A technique used to visualize the three-dimensional structure of solids by employing an energetic ion beam to fragment the atomic or molecular constituents from a surface

(physics) The emission of electrons from the surface of a solid when bombarded with electrons or other charged particles

(scholarly studies) A written commentary which discusses previously produced original work of another author, especially a notable author.

With lesser importance. / In a secondary manner or degree. / (obsolete) Secondly; in the second place.

Energy contained in a fuel, electricity, or similar carrier of energy derived from some a primary energy source.

(chemistry) Any alcohol of general formula R₂CH-OH

The production of carbon dioxide in sparkling wine using the méthode champenoise, or in beer using bottle conditioning / Malolactic fermentation.

Alternative form of second-hand smoke

plural of secondary amine

(economics) An industry that processes raw materials produced by primary industry into goods suitable for tertiary industry to provide goods or services to consumers.