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molecular British & World English

Relating to or consisting of molecules

molecular clock British & World English

The average rate at which a species' genome accumulates mutations, used to measure their evolutionary divergence and in other calculations

molecular sieve British & World English

A crystalline substance (especially a zeolite) with pores of molecular dimensions which permit the passage of molecules below a certain size

molecular biology British & World English

The branch of biology that deals with the structure and function of the macromolecules (e.g. proteins and nucleic acids) essential to life

molecular formula British & World English

A formula giving the number of atoms of each of the elements present in one molecule of a specific compound

molecular weight British & World English

Another term for relative molecular mass.

molecular electronics British & World English

A branch of electronics in which individual molecules perform the same function as microelectronic devices such as diodes

molecular gastronomy British & World English

The application of scientific principles to the understanding and development of food preparation

gram-molecular weight British & World English

The quantity of a chemical compound equal to its molecular weight in grams; now usually replaced by the mole. Also called gram molecule

relative molecular mass British & World English

The ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12