ep·i·de·mi·ol·o·gy 
(ĕp′ĭ-dē′mē-ŏlə-jē, -dĕm′ē-)
(ĕp′ĭ-dē′mē-ŏlə-jē, -dĕm′ē-)n.
The branch of medicine that deals with the study of the causes, distribution, and control of disease in populations.
[Medieval Latin epidēmia, an epidemic; see EPIDEMIC + -LOGY.]
ep′i·de′mi·o·logic (-ə-lŏjĭk), ep′i·de′mi·o·logi·cal (-ĭ-kəl) adj.
ep′i·de′mi·o·logi·cal·ly adv.
ep′i·de′mi·olo·gist n.
- nondeductible
- nondenominational
- nondescript
- nondestructive
- nondestructively
- nondirective
- nondiscrimination
- nondiscriminatory
- nondisjunction
- nondisjunctional
- nondistinctive
- nondrinker
- nondurable
- none
- nonego
- nonelastic
- nonelected
- nonentity
- nones
- nonessential
- nonesuch
- nonet
- nonetheless
- non-Euclidean
- nonevent