H2A, H-2A or H-IIA can refer to: Histone H2A, a component of DNA higher structure in eukaryotic cells H-IIA, a family of Japanese rockets. H-2A visa, a temporary, nonimmigrant visa allowing foreign nationals entry into the U.S. for seasonal agricultural work.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).