LCA may refer to:
==Technology== Landing Craft Assault, a British landing craft of the Second World War. LCA (Low Cost Apple), code name for the Apple IIe Light Combat Aircraft program, pursued by India for the development of the HAL Tejas 4th generation fighter jet. Liquid Crystal Attenuator Lower control arm, component of an automobile suspension Luminance-Chrominance-Audio, video signal standard, carrying brightness and color information on separate wires.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).