HETEROCYCLIC
heterocyclic
(adjective) containing a closed ring of atoms of which at least one is not a carbon atom
Source: WordNet® 3.1
Etymology
Adjective
heterocyclic (not comparable)
(chemistry, of a cyclic compound) Having atoms of two or more different elements in at least one of its rings.
(organic chemistry, of a cyclic compound) Having one or more atoms other than carbon in at least one of its rings.
Synonyms
• heterocyclical
• carboheterocyclic (organic chemistry)
Noun
heterocyclic (plural heterocyclics)
(organic chemistry) A heterocycle
Source: Wiktionary
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COMMUNICATIONS
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
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