Molecules are held together by electrons shared between bonded atoms. For example, consider the formation of an H2 molecule from two separate hydrogen atoms: 2 approachinghydrogen atoms(2 H) a hydrogen molecule(H2) As the two atoms approach, each nucleus begins to attract the other atom's electrons.
Definition of Hyphomycetes. in some classifications. : a subclass of fungi coextensive with the order Moniliales or including both the Moniliales and the Mycelia Sterilia.
Definition. noun, plural: coeloms. (1) A fluid-filled body cavity formed from the splitting of lateral plate mesoderm during embryonic development. (2) A body cavity. Supplement. Animals may be grouped based on the coelom 1  : coelomates.2  pseudocoelomates.efinition. noun, plural: coeloms. (1) A fluid-filled body cavity formed from the splitting of lateral plate mesoderm during embryonic development. (2) A body cavity. Supplement. Animals may be grouped based on the coelom 1  : coelomates.