a- entry 2 + stomatal
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:
“Astomatal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astomatal. Accessed 26 Nov. 2022.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Words Named After People
Test your vocabulary with our 10-question quiz!
A daily challenge for crossword fanatics.
When each letter can be seen but not heard
Some may be more useful than others.
One L or two?
Look up any year to find out
How to use a word that (literally) drives some pe...
Or both? Or neither?
Editor Emily Brewster clarifies the difference.
An old-fashioned rule we can no longer put up with.
See if you can tell the insults from the complime...
Take the quiz
20 questions to help you score 1600
Can you outdo past winners of the National Spelli...