
Annulenes are completely conjugated monocyclic hydrocarbons. They have the general formula CnHn (when n is an even number) or CnHn+1 (when n is an odd number). The IUPAC naming conventions are that annulenes with 7 or more carbon atoms are named as [n]annulene, where n is the number of carbon atoms in their ring, though sometimes the smaller annul...
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http://en.wikipedia.org/wiki/Annulene

Mancude (i.e. having formally the maximum number of noncumulative double bonds) monocyclic hydrocarbon without side chains of the general formula C
nH
n (n is an even number) or C
nH
n+1 (n is an odd number). Note that in systematic nomenclature an annulene with seven or more carbon atoms may be named [n]annu...
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/A.html

totally conjugated hydrocarbon
Found on
http://www.chemistry-dictionary.com/definition/annulene.php
No exact match found.