WALK-IN
\wˈɔːkˈɪn], \wˈɔːkˈɪn], \w_ˈɔː_k_ˈɪ_n]\
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(of e.g. closets or refrigerators) extending very far enough back to allow a person to enter; "a deep walk-in refrigerator"; "walk-in closets"
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an operative who initiates his own defection (usually to a hostile country) for political asylum
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person who walks in without having an appointment; "the emergency room was overrun with walk-ins"
By Princeton University
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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.-.