Etymology
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ecosystem (n.)

1935; see eco- + system. Perhaps coined by English ecologist Sir Arthur George Tansley (1871-1955).

Entries linking to ecosystem

eco- 
word-forming element referring to the environment and man's relation to it, abstracted from ecology, ecological; attested from 1969.
system (n.)
1610s, "the whole creation, the universe," from Late Latin systema "an arrangement, system," from Greek systema "organized whole, a whole compounded of parts," from stem of synistanai "to place together, organize, form in order," from syn- "together" (see syn-) + root of histanai "cause to stand," from PIE root *sta- "to stand, make or be firm."

Meaning "set of correlated principles, facts, ideas, etc." first recorded 1630s. Meaning "animal body as an organized whole, sum of the vital processes in an organism" is recorded from 1680s; hence figurative phrase to get (something) out of one's system (1900). Computer sense of "group of related programs" is recorded from 1963. All systems go (1962) is from U.S. space program. The system "prevailing social order" is from 1806.

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Definitions of ecosystem

ecosystem (n.)
a system formed by the interaction of a community of organisms with their physical environment;
From wordnet.princeton.edu

Dictionary entries near ecosystem

economise

economist

economize

economy

ecosphere

ecosystem

ecotourism

ecru

ecstasy

ecstatic

ecto-

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