1897, in the meaning defined above
acid entry 1 + -o- + -phil entry 1, -phile entry 1
Time Traveler for acidophil
See more words from the same year
Cite this Entry
“Acidophil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidophil. Accessed 21 Jan. 2022.
More Definitions for acidophil
(Entry 1 of 2)
Medical Definition of acidophil (Entry 2 of 2)
— called also
See Definitions and Examples »
Get Word of the Day daily email!
Name that Thing: Flower Edition
Test your visual vocabulary with our 10-question challenge!
A daily challenge for crossword fanatics.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Top 10 Latin Phrases
Can you care fewer?
What's (another word for) the big idea?
From the week ending 1/14/2022
A simple trick to keep them separate
How 'literally' can mean "figuratively"
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
A warm and toasty quiz to nestle into
Take the quiz
New Year, Recondite Vocabulary
Test your visual vocabulary with our 10-question ...