lymph
1 Americannoun
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Anatomy, Physiology. a clear yellowish, slightly alkaline, coagulable fluid, containing white blood cells in a liquid resembling blood plasma, that is derived from the tissues of the body and conveyed to the bloodstream by the lymphatic vessels.
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Archaic. the sap of a plant.
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Archaic. a stream or spring of clear, pure water.
noun
Usage
What does lymph- mean? Lymph- is a combining form used like a prefix indicating lymph, an important liquid in the body that contains white blood cells and is conveyed to the bloodstream through lymphatic vessels. Lymph- is used in many medical terms, especially in anatomy and pathology. Lymph- comes from the Latin lympha, meaning “water.” This Latin root has been connected to the Greek word nýmphē, source of nymph in English. Discover more at our entry for nymph. Lymph- is a variant of lympho-, which loses its -o- when combined with words or word elements beginning with vowels. Want to know more? Read our Words That Use lympho- article. Closely related to lymph- and lympho- is lymphangi-, a combining form meaning “lymph vessel” and connected to the combining form angio-.
Etymology
Origin of lymph
1620–30; < Latin lympha water (earlier *limpa; see limpid); pseudo-Greek form, by association with nympha < Greek nýmphē nymph
Vocabulary lists containing lymph
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.
"Lymph nodes aren't just passive waiting rooms for immune cells, they actively train and educate T cells, and send them off to do their job," said Professor Kallies.
From Science Daily • Oct. 20, 2025
Lymph nodes -- tiny glands throughout the body, mainly in the neck, armpits and groin -- are part of the immune systems of mammals, including mice and people.
From Science Daily • Jun. 6, 2024
Lymph nodes blew up to a painful size, then disappeared.
From New York Times • Jan. 12, 2023
Lymph is the term used to describe interstitial fluid once it has entered the lymphatic system.
From Textbooks • Jun. 19, 2013
Lymph therapy, which is one of the triumphs of modern medicine, was discovered empirically.
From Craftsmanship in Teaching by Bagley, William Chandler
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.