public health

noun
health services to improve and protect community health, especially sanitation, immunization, and preventive medicine.

Origin:
1610–20

pub·lic-health, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To public health
American Heritage
Medical Dictionary

public health pub·lic health (pŭb'lĭk)
n.
Abbr. PH, P.H.
The science and practice of protecting and improving the health of a community, as by preventive medicine, health education, control of communicable diseases, application of sanitary measures, and monitoring of environmental hazards.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
00:10
Public health is always a great word to know.
So is quincunx. Does it mean:
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Example sentences
And as far as he was concerned, the waterless urinal was a threat to public
  health.
Various models of contracting out bits of public health care are used, but more
  could be done, especially at primary-care level.
These new pocket-size sensors could provide more practical and powerful
  detection of such potential public health risks.
Providing them with modern energy would improve public health and combat
  climate change.
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