ALD or Ald may refer to:
== Medicine, science and technology == Adrenoleukodystrophy, a disease linked to the X chromosome Alcoholic liver disease Aldolase or ALD, an enzyme occurring naturally in animals Assistive listening device used to improve hearing ability Atomic layer deposition, a thin-film deposition technique Asymmetric Laplace distribution, in probability theory and statistics
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).