QUADRIVALENT
\kwˈɒdɹa͡ɪvə͡lənt], \kwˈɒdɹaɪvələnt], \k_w_ˈɒ_d_ɹ_aɪ_v_əl_ə_n_t]\
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Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; - said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.
By Oddity Software
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Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; - said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.
By Noah Webster.
By Alexander Duane
By Willam Alexander Newman Dorland
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.