| 释义 |
lac·tam
\ˈlakˌtam, ̷ ̷ˈ ̷ ̷\ noun
(s)
Etymology: International Scientific Vocabulary lactone + amide; originally formed in German
: any of a class of inner amides of amino carboxylic acids formed by the loss of a molecule of water from the amino and carboxyl groups and characterized by the carbonyl-imido grouping −CONH− in a ring — compare lactim, lactone, sultam |