To obtain instantaneous dehydration, use is made in practice of a stream of hot gas-generally air-the temperature of which ranges between 400 and 1000 C., and a quantity of alumina, of the order of 20 to 150 gr. per cubic meter of hot gas, is continuously dropped therein.
Neoplasm is an abnormal growth of tissue, which if it forms a mass, is commonly referred to as a tumor. This abnormal growth (neoplasia) usually but not always forms a mass. ICD-10 classifies neoplasms into four main groups: benign neoplasms, in situ neoplasms, malignant neoplasms, and neoplasms of uncertain or unknown behavior.
tumor. 1  1. swelling, one of the cardinal signs of inflammation; morbid enlargement. 2  2. neoplasm; a new growth of tissue in which cell multiplication is uncontrolled and progressive. 3  Tumors are called also cancers or neoplasms, which means that they are composed of new and actively growing tissue. Their growth is faster than that of normal tissue, continuing after cessation of the stimuli that evoked the growth, and serving no useful physiological purpose.