- a skin disease characterized by the formation of reddish spots and patches covered with silvery scales: tends to run in families
WordReference Random House Learner's Dictionary of American English © 2026
pso•ri•a•sis /səˈraɪəsɪs/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Pathologya skin disease characterized by scaly patches.
pso•ri•a•sis
(sə rī′ə sis),USA pronunciation n. [Pathol.]
pso•ri•at•ic
(sôr′ē at′ik, sōr′-),USA pronunciation adj.
- Pathologya common chronic, inflammatory skin disease characterized by scaly patches. Also called psora.
- Greek psōríāsis, equivalent. to psōriā-, variant stem of psōriân to have the itch (derivative of psó̄ra itch) + -sis -sis
- Neo-Latin
- 1675–85;
Collins Concise English Dictionary © HarperCollins Publishers::
psoriasis /səˈraɪəsɪs/ n
'psoriasis' also found in these entries (note: many are not synonyms or translations):
-iasis
- plaque
- -asis
- chrysarobin
- methotrexate
- methoxsalen
- psora
- psoralen
- PUVA
- sarsaparilla