Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

milieu interieur


mi·lieu in·te·ri·eur

noun \mēl-ˈ̅-aⁿ-tā-rē-ˈœr\

Definition of MILIEU INTERIEUR

: the bodily fluids regarded as an internal environment in which the cells of the body are nourished and maintained in a state of equilibrium