Mab

1 of 2

noun

ˈmab How to pronounce Mab (audio)
: a queen of fairies in English literature

MAb

2 of 2

abbreviation

variants or mAb or MAB or mab
monoclonal antibody

Word History

First Known Use

Noun

circa 1595, in the meaning defined above

Time Traveler
The first known use of Mab was circa 1595

Dictionary Entries Near Mab

Maathai

Mab

MAb

See More Nearby Entries 

Cite this Entry

“Mab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mab. Accessed 10 Dec. 2023.

Copy Citation

Share

Medical Definition

MAb

abbreviation
variants or mAb or MAB or mab
monoclonal antibody

More from Merriam-Webster on Mab

Britannica.com: Encyclopedia article about Mab

Love words? Need even more definitions?

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

Games & Quizzes

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game You can make only 12 words. Pick the best ones!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A crossword with a twist
winning words from the national spelling bee logo
Spelling Bee Quiz Can you outdo past winners of the National Spelli...