You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
thall- + -gen
Keep scrolling for more
Cite this Entry
“Thallogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thallogen. Accessed 14 Apr. 2021.
Comments on thallogen
What made you want to look up thallogen? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
The Exceptions Quiz III
Can you spell these 10 commonly misspelled words?
Spell words. Make bears.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
17 saucy terms (and how to say them)
Words from the week of 4/9/2021
Book recommendations for your spring reading
They can spread more than disease
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
Which of these things doesn't belong?
A new challenger approaches.