microenvironment

American  

[mahy-kroh-en-vahy-ern-muhnt, -vahy-ruhn-] / ˌmaɪ kroʊ ɛnˈvaɪ ərn mənt, -ˈvaɪ rən- /

noun

1. the environment of a small area or of a particular organism; microhabitat.

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microenvironment British  

/ ˈmaɪkrəʊɪnˌvaɪrənmənt /

noun

1. ecology the environment of a small area, such as that around a leaf or plant

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microenvironment Scientific  

/ mī′krō-ĕn-vī′rən-mənt /

1. The environment of a very small, specific area, distinguished from its immediate surroundings by such factors as the amount of incident light, the degree of moisture, and the range of temperatures. The side of a tree that is shaded from sunlight is a microenvironment that typically supports a somewhat different community of organisms than is found on the side that receives regular light.

2. Also called microhabitat

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Other Word Forms

• microenvironmental adjective

Etymology

Origin of microenvironment

First recorded in 1950–55; micro- + environment

Example Sentences

"The drug creates an immune microenvironment within the tumor, and essentially replaces the tumor with these tertiary lymphoid structures."

From Science Daily • Mar. 16, 2026

This protective microenvironment allows cancer cells to survive and continue spreading.

From Science Daily • Jan. 30, 2026

Chroococcidiopsis releases oxygen, helping create a more supportive microenvironment for Sporosarcina pasteurii.

From Science Daily • Jan. 6, 2026

The work appears alongside a complementary study examining the MDS bone marrow microenvironment, also published in Nature Communications and led by Marc Raaijmakers from Erasmus MC Cancer Institute in Rotterdam.

From Science Daily • Nov. 19, 2025

Such a closed nest would have the advantage of greatly moderating the microenvironment within the nest, and would allow the animal within to remain comfortable with a minimum expenditure of energy.

From Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado by Douglas, Charles L.