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body fluid

American

[bod-ee floo-id] / ˈbɒd i ˌflu ɪd /

noun

any of various types of fluid found in the body of a human or animal, as blood or urine.

Etymology

Origin of body fluid

First recorded in 1720–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To test how the material behaves in the body, the scientists placed the nanocomposites in simulated body fluid.

From Science Daily • Jan. 7, 2026

They had recently tested whether heat-treated coelomic fluid — the internal body fluid of a sea star — could still trigger the disease when injected into a healthy sea star.

From Los Angeles Times • Aug. 4, 2025

When a battery comes in contact with a body fluid like saliva, it generates an electric current.

From Seattle Times • Nov. 16, 2022

This body fluid is called hemolymph, which is a sticky fluid similar to your blood that circulates throughout an ant's body.

From Salon • Sep. 21, 2022

There was a slight spurt of body fluid as the chitinous armor was partly broken.

From Astounding Stories, May, 1931 by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023