Definition of expanse
1 : firmament
2 : great extent of something spread out an expanse of calm ocean
Examples of expanse in a Sentence
The explorer gazed across the vast Arctic expanse.
the great explorers who crossed the vast expanses of the seven seas in small ships
Recent Examples of expanse from the Web
The outside of this house is clad in Cembonit, a kind of dyed stain-proof synthetic wood, and that flat textured expanse mirrors the clean walls inside.
The ozone layer—a high-altitude expanse of oxygen molecules that protects us from the sun’s ultraviolet rays—has been on the mend for the past decade or so.
The Frontier State senator wants to ensure Medicaid funding for her far-flung residents, whose health care costs run high in part because of Alaska's expanse and isolation.
The final three will probably never go to that because San Francisco and Oakland have very few schools in their section and because of the expanse of the Northern Section.
Voids, vast expanses of nearly empty space, account for about 80 percent of the observable universe.
It was seen over an expanse that stretched at least as far west as Loudoun County in Virginia and as far east as the shores of the Chesapeake Bay in Maryland.
For car lovers, there is a detached, five-car garage as sleek as the main house, with large expanses of glass.
Waze will now be pairing up drivers and passengers across a wider expanse that includes heavily congested highways in Los Angeles and other parts of southern California.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expanse'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of expanse
New Latin expansum, from Latin, neuter of expansus, past participle of expandere
First Known Use: 1637See Words from the same year
EXPANSE Defined for English Language Learners
Definition of expanse for English Language Learners
: a large and usually flat open space or area
EXPANSE Defined for Kids
Definition of expanse for Students
: a wide area or stretch an expanse of desert
Seen and Heard
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