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lactam
This term is a specialized chemical designation used primarily in organic chemistry and pharmacology. It describes a specific structural motif where an amide group is closed into a ring, creating a cyclic amide. The term is most frequently encountered in medical contexts when discussing the beta-lactam ring, which is the structural core of penicillin and related antibiotics.
Because it refers to a specific chemical class, the word is used in a technical register. It is rarely used outside of scientific literature, laboratory settings, or pharmaceutical discussions. In these contexts, it functions as a precise descriptor of molecular geometry rather than a general term.
Meanings
Examples
The chemical structure of a lactam consists of a cyclic amide.
Penicillin is the most famous example of a beta lactam antibiotic.
Penicillin is the most famous example of a beta lactam antibiotic.
I wonder if this specific lactam ring will be stable under these conditions.
Caprolactam is used as the primary precursor for the production of nylon 6.
Caprolactam is used as the primary precursor for the production of nylon 6.
The enzyme beta lactamase breaks the ring and renders the drug ineffective.
We need to synthesize a four membered lactam for this reaction.
The researcher noted that the lactam moiety was essential for biological activity.
The researcher noted that the lactam moiety was essential for biological activity.