plural of active fault

plural of active volcano

plural of active galaxy

plural of activation energy

plural of catalytic activity

plural of optical activity

A condition where a health care consumer is equipped, educated, and motivated to be an effective manager of their own health and use of health care services.

plural of extravehicular activity

plural of activated sludge

A form of euthanasia wherein death is intentionally brought about, usually by medical intervention to end the euthanasee's suffering.