Longest acronym
Who
NIIOMTPLABOPARMBETZHELBETRABSBOMONIMONKONOTDTEKHSTROMONT
Where
()
The longest acronym is NIIOMTPLABOPARMBETZHELBETRABSBOMONIMONKONOTDTEKHSTROMONT with 56 letters (54 in Cyrillic) in the Concise Dictionary of Soviet Terminology, Institutions and Abbreviations (1969), meaning: the laboratory for reinforcement, concrete and ferroconcrete operations, for composite-monolithic and monolithic constructions, of the Department of the Technology of Building-assembly operations, of the Scientific Research Institute of the Organization for mechanization and technical aid; this organization was employed for building the Academy of Building and Architecture of the USSR.