headspace
noun
head·space
ˈhed-ˌspās 
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
Chemical and Engineering NewsTo process sauce, immediately ladle hot sauce into hot, clean half-pint canning jars, leaving 1/4-inch headspace.—Better Homes and Gardens
Better Homes and Gardens2
: 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
Kimberly Mok3
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
Brian RafteryExamples of headspace in a Sentence
Recent Examples on the Web
Leave ½ inch of headspace, then seal and freeze promptly.
—Olivia McIntosh, Martha Stewart, 14 May 2026
The moon’s clash with Venus puts you in a moody headspace that lasts until nightfall.
—Usa Today, USA Today, 12 May 2026
For water-bath canning, ladle the hot jam into the hot jars, leaving ¼-inch headspace.
—Kelly Brant, Arkansas Online, 12 May 2026
To get into Hannah’s headspace, Bright built a playlist almost immediately after landing the role.
—Kennedy French, Variety, 12 May 2026
See All Example Sentences for headspace
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Olivia McIntosh, Martha Stewart, 14 May 2026
The moon’s clash with Venus puts you in a moody headspace that lasts until nightfall.
—Usa Today, USA Today, 12 May 2026
For water-bath canning, ladle the hot jam into the hot jars, leaving ¼-inch headspace.
—Kelly Brant, Arkansas Online, 12 May 2026
To get into Hannah’s headspace, Bright built a playlist almost immediately after landing the role.
—Kennedy French, Variety, 12 May 2026
See All Example Sentences for headspace
Cite this Entry
“Headspace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headspace. Accessed 16 May. 2026.
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