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

Their work centers on understanding how cancer cells interact with their surroundings, often referred to as the tumor microenvironment.

From Science Daily • Apr. 12, 2026

"Our findings reveal that the bone marrow microenvironment actively shapes the earliest stages of malignant evolution," said Guezguez, Principal Investigator in the Department of Hematology at UMC Mainz and co-senior author.

From Science Daily • Nov. 19, 2025

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

"But if this stress stays there, which it does in the tumor microenvironment, the cells are just in continuous stress, and that will then lead to a very different phenotype and death," Mehrotra said.

From Science Daily • Nov. 22, 2024

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.