hemolymph
noun
he·mo·lymph
ˈhē-mə-ˌlim(p)f 
: the circulatory fluid of various invertebrate animals that is functionally comparable to the blood and lymph of vertebrates
Examples of hemolymph in a Sentence
Recent Examples on the Web
Their hemolymph contains amebocytes that clot in the presence of bacterial endotoxins.
—
Scott Travers, Forbes.com, 10 Jan. 2026
Scientists found the protein in the oysters’ hemolymph, a liquid found in invertebrates that’s similar to blood.
—Sarah Kuta, Smithsonian Magazine, 27 Jan. 2025
Crucially, the oyster hemolymph proteins were not toxic to human lung cells.
—Laura Baisas, Popular Science, 22 Jan. 2025
Additionally, the researchers discovered that the hemolymph proteins improved the effectiveness of conventional antibiotics ampicillin, gentamicin, trimethoprim and ciprofloxacin by two- to 32-fold against clinically important bacteria.
—New Atlas, 21 Jan. 2025
The group built a small fuel cell to tap the energy in the oxygen and glucose molecules dissolved in the snails’ hemolymph.
—IEEE Spectrum, 4 Apr. 2012
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Scott Travers, Forbes.com, 10 Jan. 2026
Scientists found the protein in the oysters’ hemolymph, a liquid found in invertebrates that’s similar to blood.
—Sarah Kuta, Smithsonian Magazine, 27 Jan. 2025
Crucially, the oyster hemolymph proteins were not toxic to human lung cells.
—Laura Baisas, Popular Science, 22 Jan. 2025
Additionally, the researchers discovered that the hemolymph proteins improved the effectiveness of conventional antibiotics ampicillin, gentamicin, trimethoprim and ciprofloxacin by two- to 32-fold against clinically important bacteria.
—New Atlas, 21 Jan. 2025
The group built a small fuel cell to tap the energy in the oxygen and glucose molecules dissolved in the snails’ hemolymph.
—IEEE Spectrum, 4 Apr. 2012
Cite this Entry
“Hemolymph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemolymph. Accessed 1 Feb. 2026.
Copy CitationMedical Definition
hemolymph
noun
he·mo·lymph
variants
or chiefly British haemolymph
: the circulatory fluid of various invertebrate animals that is functionally comparable to the blood and lymph of vertebrates
Love words? Need even more definitions?
Merriam-Webster unabridged
