phthal·ic 
(thălĭk, fthăl-)
(thălĭk, fthăl-)adj.
1. Of, relating to, or derived from naphthalene.
2. Relating to phthalic acid.
[Short for naphthalic acid : NAPHTHAL(ENE) + -IC.]
- dishpan hands
- dishrag
- dishtowel
- dishware
- dishwasher
- dishwashing
- dishwater
- dishy
- disillusion
- disillusionment
- disillusive
- disincarnate
- disincentive
- disinclination
- disincline
- disinclined
- disincorporate
- disincorporation
- disinfect
- disinfectant
- disinfection
- disinfest
- disinfestation
- disinflation
- disinflationary