mu, twelfth letter of the Greek alphabet
Mu is the twelfth letter of the Greek alphabet, written as Μ in uppercase and μ in lowercase. It is used in mathematics, science, and other fields to represent various quantities and concepts, making it one of the Greek letters commonly borrowed into English and other languages for specialized notation.
AI-generated from the Wikipedia summary — may contain errors.
History
Archaic local variants
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).