6D, 6d, or 6-D may refer to: Canon EOS 6D, a digital SLR camera Jamaica 6d abolition of slavery postage stamp, a 1921 stamp issue Six-dimensional space, any space that has six dimensions 6D, the production code for the 1983 Doctor Who serial Snakedance Sixpence (British coin), often shortened to "6d."
==Aircraft== Boeing Model 6D, an American biplane flying-boat B-6D, a model of Xian H-6 Grumman KA-6D, a model of Grumman A-6 Intruder F-6D Mustang, a model of North American P-51 Mustang North American AT-6D Texan, a model of North American T-6 Texan OH-6D, a model of Hughes OH-6 Cayuse XP-6D, a model of Curtiss P-6 Hawk
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).