SINCE 1828
pine-needle oil
nounMedical Definition of pine-needle oil
: a colorless or yellowish bitter essential oil obtained from the needles of various pines (as Pinus sylvestris or P. mugo) and used in medicine chiefly as an inhalant in treating bronchitis
Comments on pine-needle oil
What made you want to look up pine-needle oil? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Time Traveler Quiz: Which Word Came First?
-
- Which came first?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz -
Slippery Words Quiz—Changing with the Times
Do you know these earlier meanings of words?
Take the quiz -
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
Word Winder's CrossWinder
Play the game
Share pine-needle oil
Resources for pine-needle oil