OSL may refer to:
==Science and technology== Open Shading Language, a shading language Open Software License, an open-source software license Optically stimulated luminescence, a method of measuring doses from ionizing radiation, which is often used in mineral dating Open syllable lengthening, a process by which short vowels become long in open syllables
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).