headspace

noun head·space \ ˈhed-ˌspās \
|Updated on: 24 Jun 2018

Definition of headspace

1 : the volume above a liquid or solid in a closed container
  • The demonstrator suggests that the slow leakage of hydrogen from the balloons … allowed for the accumulation of hydrogen and oxygen in the bag's headspace.
  • Chemical and Engineering News
  • To process sauce, immediately ladle hot sauce into hot, clean half-pint canning jars, leaving 1/4-inch headspace.
  • Better Homes and Gardens
2 : vertical space in which to stand, sit, or move : headroom
  • The sleeping area [of a tiny house] looks restful and thanks to the curved roof, probably has more headspace than most …
  • —Kimberly Mok
3 informal : mind-set, frame of mind
  • "It's difficult to tell how people have changed," says Radiohead guitarist Ed O'Brien. "But Thom's been in a better headspace for quite a few years."
  • —Brian Raftery

Recent Examples of headspace from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'headspace.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of headspace

1895

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

Learn More about headspace


Seen and Heard

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

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

very hard to disturb or upset

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Add Diction

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!