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serum
[ seer-uhm ]
noun
- the clear, pale-yellow liquid that separates from the clot in the coagulation of blood; blood serum.
- any watery animal fluid.
- the thin, clear part of the fluid of plants.
- milk whey.
serum
/ ˈsɪərəm /
noun
- See blood serum
- antitoxin obtained from the blood serum of immunized animals
- physiol zoology clear watery fluid, esp that exuded by serous membranes
- a less common word for whey
serum
/ sîr′əm /
, Plural serums
- See blood serum
- Blood serum extracted from an animal that has immunity to a particular disease. The serum contains antibodies to one or more specific disease antigens, and when injected into humans or other animals, it can transfer immunity to those diseases.
Derived Forms
- ˈserumal, adjective
Other Words From
- serum·al adjective
Word History and Origins
Origin of serum1
Word History and Origins
Origin of serum1
Example Sentences
In May, Moderna reported that serum from people given the half dose of the existing vaccine neutralized SARS-CoV-2 variants at levels similar to or higher than those against the non-variant strain.
Its intense hydrating benefits – and unique ability to hold many times its weight in water – make it a popular active ingredient in many hydrating serums and masks.
However, all the supersoldiers except for Isaiah eventually died from the serum.
Enter “clean beauty”— images of effortlessly glowing people, makeup products that double as magical skin serums, and lists of supposedly ethical qualities ranging from cruelty-free to fragrance-free to formaldehyde-free.
Our top-selling products are serums, toners, essences, which makes a lot of sense because people are in their homes and have more time to dedicate to their skincare routines.
If he contracts the disease, there will be no ‘secret serum’ waiting for him.
A Washington Post blog asks: “Why do two white Americans get the Ebola serum while hundreds of Africans die?”
The New Republic demands: “Why did two U.S. missionaries get an Ebola serum while Africans are left to die?”
Never mind that there seem to have been no more than eight doses of the serum in existence.
The serum failed to neutralize the virus in subsequent tests and seemed to offer little protection in animal experiments.
It is thinner than that of chronic bronchitis, and upon standing separates into three layers of pus, mucus, and frothy serum.
It is especially useful with cultures upon serum media, but is applicable also to the sputum.
The clear, straw-colored fluid which is left after separation of the coagulum is called blood-serum.
One drop of the serum is then added to nine drops of normal salt solution, making a dilution of 1:10.
In serum therapy antitoxins are artificially excited into being in the blood of beasts.
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