phthiriasis noun.
[(f)Ɵɪ'rʌɪǝsɪs] Pl. -ases
[-ǝsi:z].
L16.[Latin from Greek phtheiriasis, from phtheirian be infested with lice, from phtheir louse: see -IASIS.]Medicine. Infestation of the body or skin with lice, esp. crab-lice.
[TahlilGaran] English Dictionary ▲