serum
serum Lexical Profile
serum Game Scores & Validity
• noun
A highly concentrated, lightweight liquid skin care product designed to deliver active ingredients quickly and deeply into the skin.
"She applied a vitamin C serum to her face every morning to help brighten her complexion."
The clear, yellowish fluid that remains from blood plasma after clotting factors, such as fibrinogen, have been removed.
"The laboratory technician separated the serum from the blood sample using a high-speed centrifuge."
A blood fluid extracted from an immunized animal or human, containing specific antibodies used to treat or prevent a disease or venomous bite.
"The hospital immediately administered the anti-venom serum after the hiker was bitten by a rattlesnake."
Word Nuance & Usage
In medical contexts, serum is often distinguished from blood plasma; plasma contains clotting factors like fibrinogen, whereas serum is the clear fluid that remains after blood has completely clotted.
• Rhymes for serum
• Nearby Words
Word Origin & Etymology
Borrowed directly from the Latin word 'serum', meaning 'whey' or 'watery fluid'.
Usage Trend
Historical frequency of usage in published text.