PVA may refer to:
==Science and technology== Paraventricular nucleus of hypothalamus, a part of the brain Patterned vertical alignment, a thin-film-transistor liquid-crystal display technology Poikiloderma vasculare atrophicans, a skin disease Polyvinyl acetate, an adhesive used for porous materials like wood, paper, and cloth Polyvinyl alcohol, a water-soluble synthetic polymer Population viability analysis, a risk-assessment method used in conservation biology Positive vorticity advection in meteorology Potato virus A, an agricultural disease
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).