absolute zero: (cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit
temperature: the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)
spotted coral root: common coral root having yellowish- or reddish- or purplish-brown leafless stems bearing loose racemes of similarly colored flowers with white purple-spotted lips; Guatemala to Canada