Infusoria (Science: zoology) One of the classes of protozoa, including a large number of species, all of minute size. They... Read More
stentor 1. A herald, in the Iliad, who had a very loud voice; hence, any person having a powerful voice. 2. (Science:... Read More
monad 1. An ultimate atom, or simple, unextended point; something ultimate and indivisible. 2. (Science: philosophy) The... Read More