The Britannica Dictionary mobile search

×

The Britannica Dictionary

pertussis

1 ENTRIES FOUND:

pertussis (noun)

pertussis /pɚˈtʌsəs/ noun

pertussis

/pɚˈtʌsəs/

noun

Britannica Dictionary definition of PERTUSSIS

[noncount] medical

: whooping cough

ASK THE EDITOR

What are the plural forms of check-in, passerby, and spoonful?

See the answer »

QUIZZES

Vocabulary Quiz Icon

Vocabulary Quiz

Test your word power

Take the Quiz »

Name That Thing Icon

Name That Thing

Take our visual quiz

Test Your Knowledge »

WORD OF THE DAY

Contagious Illustration

: able to be passed from one person or animal to another

Learn More »