Velox (n.)youdaoicibaDictYouDict[Velox 词源字典]
type of photographic print paper made by a process patented 1893 by Leo Baekeland, who sold it to George Eastman in 1899 for $1 million and used the money to build the laboratory where he made great discoveries in plastics (see Bakelite).[Velox etymology, Velox origin, 英语词源]
melamineyoudaoicibaDictYouDict
"A white crystalline compound made by heating cyanamide and used in making plastics", Mid 19th century: from German melam (an arbitrary formation), denoting an insoluble amorphous organic substance, + amine.