MathLexicon

1. heptacatplex: a a cat of seven with many parts ( defined by MariaD, pandaphant)
Part "hepta" - submitted by pandaphant, part "plex" - submitted by MariaD

2. catology: the study of cats ( defined by supermom )
Part "ology" - submitted by supermom

3. orthocat: adjacent and perpendicular cat ( defined by MariaD )
Part "ortho" - submitted by D K

4. lolcatgenic: qualities that are Very funny cat-like ( defined by almond, makiwara)
Part "lol" - submitted by makiwara, part "genic" - submitted by almond

5. catn't: negative cat ( defined by Antik )
Part "n't" - submitted by Antik