WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / R / riser pipe riser pipe noun 10 letters Scrabble 13 WWF 15 Definitions noun a vertical pipe in a building riserriser mainriser pipeline Look “riser pipe” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →