: 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
Infused with tightening technology and proprietary peptides, this high-tech cream minimizes the appearance of horizontal lines and creases in the neck.
—
Jenny Berg, Vogue, 19 Apr. 2024
However, there have been less studies conducted on the efficacy of using peptides to treat fine lines and wrinkles.
—Caroline C. Boyle, USA TODAY, 18 Apr. 2024
Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails
JMIR formative research.
—Allison Futterman, Discover Magazine, 17 Apr. 2024
This cream is formulated with copper peptides, which can help support elastin and collagen production.
—Jessie Quinn, Peoplemag, 17 Apr. 2024
There’s also a healthy dose of peptides to support natural collagen production.
—Danielle Cohen, Glamour, 10 Apr. 2024
Occlusive waxes or oils are being combined with plumping and collagen-enhancing peptides (i.e., Maxilip, Volulip, etc.), along with barrier-reparative skincare ingredients like ceramides.
—Jessica Ourisman, Forbes, 28 Mar. 2024
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
Jenny Berg, Vogue, 19 Apr. 2024
However, there have been less studies conducted on the efficacy of using peptides to treat fine lines and wrinkles.
—Caroline C. Boyle, USA TODAY, 18 Apr. 2024
Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails
JMIR formative research.
—Allison Futterman, Discover Magazine, 17 Apr. 2024
This cream is formulated with copper peptides, which can help support elastin and collagen production.
—Jessie Quinn, Peoplemag, 17 Apr. 2024
There’s also a healthy dose of peptides to support natural collagen production.
—Danielle Cohen, Glamour, 10 Apr. 2024
Occlusive waxes or oils are being combined with plumping and collagen-enhancing peptides (i.e., Maxilip, Volulip, etc.), along with barrier-reparative skincare ingredients like ceramides.
—Jessica Ourisman, Forbes, 28 Mar. 2024
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
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 26 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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