: any of various amides that are derived from two or more amino acids by combination of the amino group of one acid with the carboxyl group of another and are usually obtained by partial hydrolysis of proteins
Examples of peptide in a Sentence
Recent Examples on the Web
The formula utilizes a microdose of retinol along with ceramides (a potent moisturizing agent), peptides, and glycerin to keep those ugly retinol side effects to a minimum and leave skin feeling hydrated, supple, and firm.
—
Danielle Cohen, Glamour, 3 Apr. 2024
On the other hand, if dark circles are caused by dehydration and poor circulation, look for eye creams that contain hyaluronic acid, peptides and caffeine to hydrate and plump.
—Hannah Yasharoff, USA TODAY, 23 Mar. 2024
Another potential explanation for the effectiveness of 40-hertz stimulation is the discovery that interneurons —a subset of neurons— produce certain peptides in far greater quantities following treatment.
—William A. Haseltine, Forbes, 29 Feb. 2024
Serums like the Peach & Lily Glass Skin Refining Serum or the CeraVe Hydrating Hyaluronic Acid Serum also have nourishing ingredients such as ceramides, peptides, and niacinamide to boost your skin’s moisture levels and help fortify the skin barrier.
—Audrey Noble, Vogue, 18 Feb. 2024
The products contain hyaluronic acid microspheres to help smooth fine lines and wrinkles, along with a peptide complex to enhance youthful skin, fatty acids to help protect and restore, and collagen stabilizer to help moisturize and provide a smoothing effect.
—Dahvi Shira, Forbes, 28 Mar. 2024
In addition to stimulating glucagon-like peptide 1 (GLP-1), like Wegovy, amycretin also stimulates amylin.
—Bruce Gil, Quartz, 12 Mar. 2024
Laser treatment to remove facial freckles 13 years ago; nose job at 19
Skin care routine: AM: cleanser, moisturizer with SPF, peptide serum, mattifying SPF.
—Rachel Wilkerson Miller, SELF, 21 Feb. 2024
One part of the drug, an antibody, blocks the GIP receptor, while the other part, two peptides, mimics a gut hormone called GLP-1.
—Madison Muller, Fortune Well, 5 Feb. 2024
Danielle Cohen, Glamour, 3 Apr. 2024
On the other hand, if dark circles are caused by dehydration and poor circulation, look for eye creams that contain hyaluronic acid, peptides and caffeine to hydrate and plump.
—Hannah Yasharoff, USA TODAY, 23 Mar. 2024
Another potential explanation for the effectiveness of 40-hertz stimulation is the discovery that interneurons —a subset of neurons— produce certain peptides in far greater quantities following treatment.
—William A. Haseltine, Forbes, 29 Feb. 2024
Serums like the Peach & Lily Glass Skin Refining Serum or the CeraVe Hydrating Hyaluronic Acid Serum also have nourishing ingredients such as ceramides, peptides, and niacinamide to boost your skin’s moisture levels and help fortify the skin barrier.
—Audrey Noble, Vogue, 18 Feb. 2024
The products contain hyaluronic acid microspheres to help smooth fine lines and wrinkles, along with a peptide complex to enhance youthful skin, fatty acids to help protect and restore, and collagen stabilizer to help moisturize and provide a smoothing effect.
—Dahvi Shira, Forbes, 28 Mar. 2024
In addition to stimulating glucagon-like peptide 1 (GLP-1), like Wegovy, amycretin also stimulates amylin.
—Bruce Gil, Quartz, 12 Mar. 2024
Laser treatment to remove facial freckles 13 years ago; nose job at 19
Skin care routine: AM: cleanser, moisturizer with SPF, peptide serum, mattifying SPF.
—Rachel Wilkerson Miller, SELF, 21 Feb. 2024
One part of the drug, an antibody, blocks the GIP receptor, while the other part, two peptides, mimics a gut hormone called GLP-1.
—Madison Muller, Fortune Well, 5 Feb. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'peptide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Peptide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptide. Accessed 24 Apr. 2024.
Copy CitationKids Definition
peptide
noun
pep·tide
ˈpep-ˌtīd 
: any of various substances that are usually obtained by the partial breakdown of proteins
Medical Definition
peptide
noun
pep·tide
ˈpep-ˌtīd
: any of various amides that are derived from two or more amino acids by combination of the amino group of one acid with the carboxyl group of another and are usually obtained by partial hydrolysis of proteins
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