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

: human ecology

4

: environment, climate

the moral ecology

also : an often delicate or intricate system or complex

the ecology of language

ecologist

i-ˈkä-lə-jist 

e-

noun

Examples of ecology in a Sentence

Recent Examples on the Web

Exhibits focus on the interpretation of local natural history, conservation and ecology. —Gary Stoller, Forbes, 12 Dec. 2024

Some of us specialize in evolutionary ecology; others have strong expertise in taxonomy. —The Editors, JSTOR Daily, 12 Dec. 2024

After several postponements, the Azerbaijani COP presidency, led by the country’s minister of ecology and natural resources, Mukhtar Babayev, convened the assembly twice in the evening. —Antonio Piemontese, WIRED, 25 Nov. 2024

Azerbaijan’s minister of ecology and natural resources, Mukhtar Babayev, also happens to be a former oil exec. —Justine Calma, The Verge, 25 Nov. 2024

Word History

Etymology

German Ökologie, from öko- eco- + -logie -logy

First Known Use

1875, in the meaning defined at sense 1

Phrases Containing ecology

• deep ecology
• human ecology

Kids 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

ecological

ˌē-kə-ˈläj-i-kəl  ˌek-ə- 

adjective

also ecologic

-ˈläj-ik 

ecologically

-ˈläj-i-k(ə-)lē 

adverb

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

: human ecology

ecological

ˌē-kə-ˈläj-i-kəl  ˌek-ə- 

adjective

also ecologic

-ik 

ecologically

-i-k(ə-)lē 

adverb