Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

bronchodilator

play
noun bron·cho·di·la·tor \ˌbräŋ-(ˌ)kō-dī-ˈlā-tər, -ˈdī-ˌ\

Definition of bronchodilator

  1. :  a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages

bronchodilator

adjective

Read the Latest from M-W

alt-5978a79b75e17
Trending: 'Transgender' Americans Face New Restrictions
video-title-words-of-the-year-1066
Words of the Year: 1066
image1358596246
Words About Word Play
alt-5978cb55e8ba5
The Grammatical History of 'Awaken'/'Awoken'/'Awakened'

First Known Use of bronchodilator

1903

Medical Dictionary

1

bronchodilator

play play
adjective bron·cho·di·la·tor \-dī-ˈlāt-ər, -ˈdī-ˌlāt-\
variants: also

bronchodilatory

\-dī-ˈlāt-ə-rē\play

Medical Definition of bronchodilator

  1. :  relating to or causing expansion of the bronchial air passages bronchodilator activity bronchodilator drugs

2

bronchodilator

noun bron·cho·di·la·tor

Medical Definition of bronchodilator

  1. :  a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages

Learn More about bronchodilator

  1. Britannica.com: Encyclopedia article about bronchodilator

Seen and Heard

What made you want to look up bronchodilator? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

akimbo

play

set in a bent position

Get Word of the Day daily email!

TRENDING NOW

  1. transgender Trump reverses military policy allowing transgender people to serve

  2. beleaguer 'Being subjected to constant or repeated trouble or harassment'

  3. scaramouch A new White House communications director

  4. non sequitur “It does not follow”

  5. admiral's mast A massive search ends with an 'admiral's mast'.

SEE ALL

BROWSE DICTIONARY

bronchodilator

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

alt-5978cb55e8ba5
The Grammatical History of 'Awaken'/'Awoken'/'Awakened'

Or you can just go back to bed.

alt-59775cb5d7779
Words We're Watching: 'Aquafaba'

Don't dump out the bean water just yet...

image1358596246
Words About Word Play

Don't just eat your words—play with them!

alt-596f95fe451e7
'Drought' & 'Drouth' Take Us Back In Time

A variant spelling with a long history

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

emoji-the-quiz
The Emoji Quiz

Think you’re an emoji 👓 expert? Let’s see 🤔

Take the quiz
image941935269
A Game of Thrones Word Quiz

In the Game of Thrones quiz, you learn some new vocabulary. (It’s quite safe, really. You will not die.)

Take the quiz
Name That Thing
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Take the quiz
Syn City
Syn City

Build a city of skyscrapers—one synonym at a time.

Play the game