Definition of "euthenics" [euthenics]

• The study of the improvement of human functioning and well-being by improvement of living conditions. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In order to save the human race from mental illness and other social ills, Dr. Kellogg advocated the use of eugenics and euthenics, and he also advocated the use of a eugenics registry in order to keep the “races pure.”"
• "Because of the society is coming more and more modern, the defects of the trade crackers are very extrude: pollute the euthenics, wasteful, and so on."
• "A study of these long-lived families from another point of view will reveal that heredity is the primary factor and that good environment, euthenics, is the secondary one."