Technology / Aviation / Controlled Airspace Class A: (formerly PCA - Positive Control Area) generally, that airspace from 18,000' mean sea level (MSL) up to and including flight level (FL) 600 (60,000' pressure altitude), including the airspace overlying the waters within 12 nautical miles of the coast of the 48 contiguous States and Alaska. Unless otherwise authorized, all persons must operate their aircraft under IFR.
Class Noun Synonyms: rank, grade, level, order, stratum, caste, lineage, birth, pedigree, stock, extraction, descent
Class Verb Synonyms: classify, group, arrange, assort, type, categorize, rank, grade, rate, order
Science / Psychiatry / Paranoid Type Schizophrenia: Presence of prominent delusions and auditory hallucinations in an individual, where disorganized speech, disorganized behavior, or flat/inappropriate affect may not be prominent. MORE
Science / Psychiatry / Paranoid Ideation: Ideation, of less than delusional proportions, involving suspiciousness or the belief that one is being harassed, persecuted, or unfairly treated. MORE