Medical Dictionary

barrier

3 ENTRIES FOUND:

barrier

noun bar·ri·er \ˈbar-ē-ər\

Definition of BARRIER

1
:  a material object or set of objects that separates, demarcates, or serves as a barricade—see blood-brain barrier, placental barrier
2
:  a factor that tends to restrict the free movement, mingling, or interbreeding of individuals or populations <behavioral and geographic barriers to hybridization>
March 06, 2015
eolian Hear it
Deposited, produced, or eroded by wind
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears