LPC may refer to:
==Science and technology== Linear predictive coding, a method used in audio signal processing and speech processing Leaf protein concentrate, a concentrated form of the proteins found in the leaves of plants Long period comet, a comet classification Lysophosphatidylcholine, chemical compounds Late positive component, a brain potential (Latin for coal tar solution)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).