WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / T / test-tube test-tube noun /tɛsttub/ 9 letters Scrabble 10 WWF 12 Definitions noun glass tube closed at one end Look “test-tube” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →