(chemistry) The mass of an individual molecule of an element or compound.

(chemistry) a number of techniques for studying molecules and their interaction; originally involved the building of physical models, but now uses computer simulation

(medicine, genetics) the branch of medicine that studies the manipulation of genes, and the subsequent effect on genetic diseases

an enzyme capable of removing specific genes from a sequence of DNA, especially to disable the replication of a virus

(biology, biochemistry, genetics) a scientist who specializes in molecular biology

(biology, biochemistry) the branch of biology that studies the macromolecules of life, such as proteins, lipoproteins and nucleic acids

(chemistry) a material, usually a zeolite silicate mineral, having pores of a precise and uniform size, that can be used to separate molecules of different shape and size

(chemistry, physics) a polar molecule; either permanent (in the absence of an applied field) or induced (produced by an applied field)

the use of scientific principles and practices in cooking and food preparation

(astronomy) A large and relatively dense cloud of cold gas and dust in interstellar space from which new stars are formed