ecology
noun
ecol·o·gy
i-ˈkä-lə-jē 
e-
plural ecologies
1
: a branch of science concerned with the interrelationship of organisms and their environments
2
: the totality or pattern of relations between organisms and their environment
3
4
: environment, climate
the moral ecology
also
: an often delicate or intricate system or complex
the ecology of language
Examples of ecology in a Sentence
Recent Examples on the Web
Scientists study the ecology, health and changing conditions of the Great Lakes by monitoring fish populations, invasive species, water quality and habitat shifts across the region.
—
Madeline Heim, jsonline.com, 8 Dec. 2025
Williams’ background in urban planning and ecology also equips her to help clients restore the landscapes around their buildings, turning projects into regenerative spaces rather than scars on the land.
—Malana Vantyler, USA Today, 8 Dec. 2025
Fog is a quintessential part of the Bay Area, a seemingly simple suspension of water in air that has shaped our culture and ecology since time immemorial.
—Luis Melecio-Zambrano, Mercury News, 2 Dec. 2025
As Blue Scholars grows its programming, guiding principles (safety, ecology, community, stewardship) anchor the program and its growth.
—Emily Bramhall, Miami Herald, 20 Nov. 2025
See All Example Sentences for ecology
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Madeline Heim, jsonline.com, 8 Dec. 2025
Williams’ background in urban planning and ecology also equips her to help clients restore the landscapes around their buildings, turning projects into regenerative spaces rather than scars on the land.
—Malana Vantyler, USA Today, 8 Dec. 2025
Fog is a quintessential part of the Bay Area, a seemingly simple suspension of water in air that has shaped our culture and ecology since time immemorial.
—Luis Melecio-Zambrano, Mercury News, 2 Dec. 2025
As Blue Scholars grows its programming, guiding principles (safety, ecology, community, stewardship) anchor the program and its growth.
—Emily Bramhall, Miami Herald, 20 Nov. 2025
See All Example Sentences for ecology
Cite this Entry
“Ecology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ecology. Accessed 13 Dec. 2025.
Copy CitationKids Definition
ecology
noun
ecol·o·gy
i-ˈkäl-ə-jē
e-
1
: a branch of science concerned with the relationships between living things and their environment
2
: the pattern of relationships between a group of living things and their environment
Medical Definition
ecology
noun
ecol·o·gy
-jē
plural ecologies
1
: a branch of science concerned with the interrelationship of organisms and their environments
2
: the totality or pattern of relations between organisms and their environment
3
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