PRECIPICE
\pɹˈɛsɪpˌɪs], \pɹˈɛsɪpˌɪs], \p_ɹ_ˈɛ_s_ɪ_p_ˌɪ_s]\
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A steep descent; an abrupt declivity; an almost vertical cliff, or the edge of it; hence, a dangerous situation.
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
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.-.