WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / S / sir alexander fleming sir alexander fleming noun 21 letters Scrabble 33 WWF 39 Definitions noun Scottish bacteriologist who discovered penicillin (1881-1955) alexander flemingfleming Look “sir alexander fleming” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →