✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

germ tube

noun

: the slender tubular outgrowth first produced by most spores in germination

Browse Nearby Words

Cite this Entry

“Germ tube.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/germ%20tube. Accessed 30 Nov. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!