“[Pulsus”

The following 2 entries include the term [Pulsus.

pulsus alternans

noun

: alternation of strong and weak beats of the arterial pulse due to alternate strong and weak ventricular contractions

See the full definition

pulsus paradoxus

noun

: a pulse that weakens abnormally during inspiration and is symptomatic of various abnormalities (as pericarditis)

See the full definition

Word of the Day

Listen to the pronunciation of plethora

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 daily crossword with a twist
chain-with-string
Fastest Quiz Ever: Missing Link Five seconds to figure out the word that fits bot...
See All