thumb|right|Gloss meter in action
thumb|right|Gloss meter in action
A glossmeter (also gloss meter) is an instrument which is used to measure specular reflection gloss of a surface. Gloss is determined by projecting a beam of light at a fixed intensity and angle onto a surface and measuring the amount of reflected light at an equal but opposite angle.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).