Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: an anticholinergic bronchodilator C29H34NO2·Br administered by oral inhalation to treat chronic obstructive pulmonary disease
Resources for umeclidinium
Comments on umeclidinium
What made you want to look up umeclidinium? Please tell us where you read or heard it (including the quote, if possible).
a typical or ideal example
Get Word of the Day daily email!
Find the Cousins
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
'Justice' is our 2018 Word of the Year
Our Word of the Year justice, plus 10 more
Words from the week of 12/14/2018
Yeggs, jackrollers, footpads, and more
How we chose 'justice'
And is one way more correct than the others?
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Identify the word pairs with a common ancestor
SCRABBLE® fans, sharpen your skills!