a brand of felt-tip pen.
noun, German Der Zauberberg 1. a novel (1924) by Thomas Mann.
noun 1. a mushroom, Psilocybe mexicana, of Mexico and the southwestern U.S., containing the hallucinogen psilocybin. noun 1. (informal) any of various types of fungi that contain a hallucinogenic substance, esp Psilocybe mexicana, which contains psilocybin noun any toadstool with hallucinogenic properties from psilocybin, e.g. the liberty cap or fly agaric
noun, Physics. 1. the atomic number or neutron number of an exceptionally stable nuclide. noun 1. (physics) any of the numbers 2, 8, 20, 28, 50, 82, and 126. Nuclides with these numbers of nucleons appear to have greater stability than other nuclides 2. (chem) a number of atoms that is particularly stable in certain […]
- Magic paper
An early interactive symbolic mathematics system. [Sammet 1969, p. 510]. (1995-01-25)