ATMOSPHERIC; ATMOSPHERICAL a.
der. Tomlinson. -- Atmospheric line (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded "down to the atmosphere" when its pressure is equal to that of the atmosphere. (See Indicator card.) -- Atmospheric pressure, the pressure exerted by the atmosphere, not merely downwards, but in every direc…
BITTER a.
cumber, Bitter gourd. (Bot.) See Colocynth. -- Bitter cress (Bot.), a plant of the genus Cardamine, esp. C. amara. -- Bitter earth (Min.), tale earth; calcined magnesia. -- Bitter principles (Chem.), a class of substances, extracted from vegetable products, having strong bitter taste but with no sharply defined chem…