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blood level

American

noun

the amount of a substance, as cholesterol, alcohol, or triglycerides, circulating in the bloodstream: often expressed as a percent or in milligrams or micrograms per deciliter of blood.

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.

For an adult, there are no risks of drinking an average-sized slushy, simply because they are bigger and unlikely to achieve a blood level high enough to bring on symptoms.

From Salon • Feb. 28, 2024

More than 90% of those who received the drug in a randomized trial showed a lower blood level of arginine.

From Seattle Times • Dec. 4, 2023

Turning to humans, Yadav and colleagues analyzed taurine blood level data from nearly 12,000 people enrolled in a 25-year U.K. health study.

From Science Magazine • Jun. 7, 2023

The half-life of a drug is the time it takes for the blood level of the substance to reduce by 50 percent.

From Scientific American • May 8, 2018

When Ca++ levels are low, PTH inhibits reabsorption of HPO2 − so that its blood level drops, allowing Ca++ levels to rise.

From Textbooks • Jun. 19, 2013

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