planetary
adjective
plan·e·tary
ˈpla-nə-ˌter-ē 
1
2
a
: of, relating to, or belonging to the earth : terrestrial
3
: having or consisting of an epicyclic train of gear wheels
Examples of planetary in a Sentence
a positively planetary new shopping development
Recent Examples on the Web
Every incremental advance in writing technology will accelerate progress across the entire spectrum of life science, from agriculture to pharmaceuticals, and from materials science to planetary defense; DNA synthesis is, after all, the foundational tool for engineering biology and biomanufacturing.
—
Big Think, 20 Oct. 2025
No astrologer can predict from planetary alignments or any other celestial configuration when a specific event, good or bad, will occur here on Earth.
—Joe Rao, Space.com, 18 Oct. 2025
In the new study, led by Jeffrey Andrews-Hanna, a planetary scientist at the University of Arizona, researchers suggest that the oblong shape of the basin isn't from a head-on collision with an asteroid coming from the south, as previously believed.
—Eric Lagatta, USA Today, 16 Oct. 2025
The team further went on to conduct complex simulations of planetary impacts and geological mixing processes.
—Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2025
See All Example Sentences for planetary
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Big Think, 20 Oct. 2025
No astrologer can predict from planetary alignments or any other celestial configuration when a specific event, good or bad, will occur here on Earth.
—Joe Rao, Space.com, 18 Oct. 2025
In the new study, led by Jeffrey Andrews-Hanna, a planetary scientist at the University of Arizona, researchers suggest that the oblong shape of the basin isn't from a head-on collision with an asteroid coming from the south, as previously believed.
—Eric Lagatta, USA Today, 16 Oct. 2025
The team further went on to conduct complex simulations of planetary impacts and geological mixing processes.
—Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2025
See All Example Sentences for planetary
Cite this Entry
“Planetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetary. Accessed 24 Oct. 2025.
Copy CitationKids Definition
planetary
adjective
plan·e·tary
ˈplan-ə-ˌter-ē
Love words? Need even more definitions?
Merriam-Webster unabridged
Share