peptide

American  

[pep-tahyd] / ˈpɛp taɪd /

noun

Biochemistry.

1. a compound containing two or more amino acids in which the carboxyl group of one acid is linked to the amino group of the other.

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peptide British  

/ ˈpɛptaɪd /

noun

1. any of a group of compounds consisting of two or more amino acids linked by chemical bonding between their respective carboxyl and amino groups See also peptide bond polypeptide

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peptide Scientific  

/ pĕp′tīd′ /

1. A chemical compound that is composed of a chain of two or more amino acids and is usually smaller than a protein. The amino acids can be alike or different. Many hormones and antibiotics are peptides.

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Etymology

Origin of peptide

1905–10; pept(ic) + -ide ( def. )

Compare meaning

How does peptide compare to similar and commonly confused words? Explore the most common comparisons:

• peptide vs. polypeptide

Example Sentences

The compound is a peptide made from four amino acids called CAQK.

From Science Daily

These plaques form when amyloid peptide fragments accumulate between neurons, triggering inflammation and interfering with communication between brain cells.

From Science Daily

Laboratory tests showed that the peptide's impact on breast cancer cells was comparable to paclitaxel, a commonly prescribed chemotherapy treatment.

From Science Daily

Zihipp had been spun out of research into naturally occurring substances called peptides at Imperial College London that furnished discoveries into how to induce weight loss.

From The Wall Street Journal

On offer: sauna and cold plunge, but also peptide treatments and hyperbaric oxygen chambers.

From The Wall Street Journal