mor ill i form

[Fr. morille a mushroom, and Lat. form a =form, shape.] Having the form or shape of a moril; resembling a moril. Mör-In, s . [General Arthur Jules, Director of the Conservatoire Impérial des Arts et Métiers of Paris.] (See compound and etym.) Morin's apparatus, Morin's machine, s . Mech.: An apparatus or a machine to demonstrate experimentally the laws of falling bodies. A descending weight causes a cylinder to revolve around its axis with a velocity proportioned to that of the descending weight. A pencil attached to the cylinder records the result, showing that a falling body descends with velocity proportioned to the squares of the time. mô-rin-da, s . [Altered from Lat. Morus indica = Indian mulberry, because of its country and the shape of its fruit.] Bot .: A genus of Cinchonacese, family Guettardi. dæ. The bark of Morinda royoc is a febrifuge, M. citrifolia is sometimes called the Indian mul. berry; it is wild or cultivated in India and Ceylon. The typical variety, supposed to be wild in Malacca, furnishes various dyes, from reddish yellow to dark brown; the variety M. elliptic a yields a scarlet dye, and M. an gust i folia a good yellow. M. tinct or i a is also a dye plant, and the green fruits are eaten by the Hindus in their curries. mô-rin-din, s . [Mod. Lat., ., morind ( a ); Eng. suff.- in ( Chem .).] Chem.: C28H30015. A yellow coloring matter, extracted from the root of Morinda citrifolia by boil ing alcohol. It forms crystals having a fine yellow color and satin luster, very soluble in boiling alco hol and water, but insoluble in ether. It is used in the East Indies as a dyeing material. When boiled with dilute sulphuric acid, morindin is converted into an impure alizarin.