“pityriasis lichenoides et varioliformis”

We have one entry that includes the term pityriasis lichenoides et varioliformis.

pityriasis lichenoides et varioliformis acuta

noun

: a disease of unknown cause that is characterized by the sudden appearance of polymorphous lesions (as papules, purpuric vesicles, crusts, or ulcerations) resembling chicken pox but tending to persist from a month to as long as years, occurs especially between the ages of 30 and 50, and is more common in men

See the full definition

Word of the Day

Listen to the pronunciation of abhor

See Definitions and Examples »

Test Your Vocabulary

Face Your Fears

  • clown-mask
  • Arachnophobia is the fear of what multi-legged creatures?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A crossword with a twist
winning words from the national spelling bee logo
Spelling Bee Quiz Can you outdo past winners of the National Spelli...