A statistical Markov model in which the system being modelled is assumed to be a Markov process with unobserved (hidden) states.

(chemistry) A molecular model of a chemical substance, displaying the three-dimensional position of the atoms (as spheres) and the bonds between them (as connecting rods).

plural of Document Object Model

(historical, physics) An obsolete scientific model of the atom, devised shortly after the discovery of the electron but before the discovery of the atomic nucleus, and according to which the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges. It was disproved in 1909.

plural of space-filling model

plural of ball-and-stick model

plural of enterprise architecture model

plural of hidden Markov model

plural of sliding filament model

plural of water-line model