Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

yellow fever

noun

Simple Definition of yellow fever

  • medical : a serious disease that causes fever and often yellowing of the skin and that is passed from one person to another especially by the bite of mosquitoes

Full Definition of yellow fever

  1. :  an acute infectious disease of warm regions (as sub-Saharan Africa and tropical South America) marked by sudden onset, prostration, fever, and headache and sometimes albuminuria, jaundice, and hemorrhage and caused by a flavivirus (species Yellow fever virus of the genus Flavivirus) transmitted especially by the yellow-fever mosquito

1738

First Known Use of yellow fever

1738


YELLOW FEVER Defined for Kids

yellow fever

noun

Definition of yellow fever

  1. :  a disease carried by mosquitoes in parts of Africa and South America




Medical Dictionary

yellow fever

noun

Medical Definition of yellow fever

  1. :  an acute infectious disease of warm regions (as sub-Saharan Africa and tropical South America) marked by sudden onset, prostration, fever, and headache and sometimes albuminuria, jaundice, and hemorrhage and caused by a single-stranded RNA virus of the genus Flavivirus (species Yellow fever virus) transmitted especially by the yellow-fever mosquito—called also yellow jack





Seen and Heard

What made you want to look up yellow fever? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders spindrift duvet pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ