Limited constitutional monarchy

Liquid Crystal Monitor — a monitor using a liquid crystal display

Life Cycle Management — a business term for the maintenance and retirement of products

mathematics for least common multiple

Linear congruential generator

warfare for Landing Craft Mechanized

Leeds College of Music

Laser capture microdissection — use of a laser through a microscope to cause selected cells to be isolated and extracted

London College of Music Examinations

accounting for Lower of Cost or Market

Lymphocytic choriomeningitis — a viral infection carried by rodents

Latent Class Modeling is a concept in statistics