LACTAM

Meaning of LACTAM in English

/lak"tam/ , n. Chem.

any of a group of cyclic amides characterized by the NHCO group, derived from aminocarboxylic acids by the intramolecular elimination of water from the amino and carboxylic groups.

[ 1880-85; LACT(ONE) + AM(IDE) ]

Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012

LACTAM — ˈlakˌtam, ̷ ̷ˈ ̷ ̷ noun ( s ) Etymology: International Scientific Vocabulary lact one + am ide; originally formed in German : …
Webster's New International English Dictionary
LACTAM — (n.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.
Английский словарь Webster
LACTAM — ( n. ) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.
Webster's Revised Unabridged English Dictionary
LACTAM — noun one of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.
Webster English vocab
LACTAM — [ 'laktam ] ■ noun Chemistry an organic compound containing an amide group ‒NHCO‒ as part of a ring. Origin …
Concise Oxford English vocab
LACTAM — лактам, лактан
Большой Англо-Русский словарь
LACTAM — лактам
Большой Англо-Русский политехнический словарь
LACTAM — лактам
Большой Англо-Русский политехнический словарь - РУССО
LACTAM — лактам, лактан
Англо-Русский научно-технический словарь
LACTAM — лактам, лактан
Новый большой Англо-Русский словарь
BETA-LACTAM — ¦ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ˌ ̷ ̷ , - ̷ ̷ ˈ ̷ ̷ noun : any of a large class of natural and semisynthetic antibiotics (as …
Webster's New International English Dictionary
BETA-LACTAMASE — noun Etymology: lactam, a cyclic amide (from International Scientific Vocabulary lact- + amide) + -ase Date: 1965 an enzyme found …
Толковый словарь английского языка - Merriam Webster
CEPHALOSPORIN — ˌsefələˈspōrə̇n, -ˈspȯr- noun ( -s ) Etymology: International Scientific Vocabulary cephalospor- (from New Latin Cephalosporium , genus name) + -in …
Webster's New International English Dictionary
BETA-LACTAMASE — ˈ ̷ ̷ ̷ ̷ ˈlaktaˌmās, -tə-; -_lakˈtaˌmās noun ( -s ) Etymology: beta (II) + lactam + -ase : penicillinase
Webster's New International English Dictionary
PYRROLIDONE — -dōn noun ( -s ) Etymology: International Scientific Vocabulary pyrrolid ine + -one : a crystalline or liquid lactam C …
Webster's New International English Dictionary
PSEUDOISATIN — |sü(ˌ)dō+ noun Etymology: pseud- + isatin : the isomeric lactam form of isatin
Webster's New International English Dictionary
PHENANTHRIDONE — fə̇ˈnan(t)thrəˌdōn noun ( -s ) Etymology: International Scientific Vocabulary phenanthrid ine + -one : a crystalline lactam C 13 H …
Webster's New International English Dictionary
PENICILLOIC ACID — |penəsə|lōik- noun Etymology: penicill in + -oic : an amido dicarboxylic acid that has the general formula RCONH(C 6 H …
Webster's New International English Dictionary
PENICILLIN — ˌpenəˈsilə̇n noun ( -s ) Etymology: penicill- (from New Latin Penicillium ) + -in 1. : a mixture of antibiotic …
Webster's New International English Dictionary
NYLON — ˈnīˌlän noun ( -s ) Usage: often attributive Etymology: coined word 1. : any of numerous synthetic materials consisting of …
Webster's New International English Dictionary
CAPROLACTAM — ˌkaprōˈlakˌtam, | ̷ ̷ ̷ ̷ˌlakˈtam noun ( -s ) Etymology: International Scientific Vocabulary capro ic + lactam : a white crystalline cyclic amide …
Webster's New International English Dictionary
TAUTOMERISM — (n.) The condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according …
Английский словарь Webster
OXINDOL — (n.) A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a …
Английский словарь Webster
LACTIM — (n.) One of a series of anhydrides resembling the lactams, but of an imido type; as, isatine is a lactim. …
Английский словарь Webster
TAUTOMERISM — ( n. ) The condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less …
Webster's Revised Unabridged English Dictionary
OXINDOL — ( n. ) A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It …
Webster's Revised Unabridged English Dictionary
LACTIM — ( n. ) One of a series of anhydrides resembling the lactams, but of an imido type; as, isatine is …
Webster's Revised Unabridged English Dictionary
CAPROLACTAM — /kap'roh lak"tam/ , n. a white, water-soluble compound, C 6 H 11 NO, used to produce a type of nylon. …
Random House Webster's Unabridged English Dictionary
BETA-LACTAMASE — noun Etymology: lactam, a cyclic amide (from International Scientific Vocabulary lact- + am ide) + -ase Date: 1965 : an …
Merriam-Webster's Collegiate English vocabulary
TAUTOMERISM — noun the condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according …
Webster English vocab
CEPHALOSPORIN — any of a group of b-lactam antibiotics that inhibit the synthesis of a structural component of the bacterial cell wall. …
Britannica English vocabulary

Random House Webster's Unabridged English Dictionary

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