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 of HYPODERMIS. 1. : the tissue immediately beneath the epidermis of a plant especially when modified to serve as a supporting and protecting layer. 2. : the cellular layer that underlies and secretes the chitinous cuticle (as of an arthropod).3.: superficial fascia.ADVERTISEMENT.efinition of HYPODERMIS. 1. : the tissue immediately beneath the epidermis of a plant especially when modified to serve as a supporting and protecting layer. 2. : the cellular layer that underlies and secretes the chitinous cuticle (as of an arthropod). 3. : superficial fascia. ADVERTISEMENT.