The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
Ayurveda is a system of medicine with historical roots in the Indian subcontinent.
Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion.
Humorism, or humoralism, was a system of medicine detailing the makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers, positing that an excess or deficiency of any of four distinct bodily fluids in a person—known as humors or humours—directly influences their temperament and health.
Sir Monier Monier-Williams, KCIE (né Williams; 12 November 1819 – 11 April 1899) was the second Boden Professor of Sanskrit at Oxford University, England.