Search the Dictionary

An alkaloid found in opium, and extracted as a yellow amorphous substance which is easily decomposed.

A variety of lignin or cellulose found in the medulla, or pith, of certain plants. Cf. Lignin, and Cellulose.

A large, flattened corpuscle, twice the diameter of the ordinary red corpuscle, found in considerable numbers in the blood in profound anæmia.

A gigantic carnivorous dinosaur, whose fossil remains have been found in England and elsewhere.

extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains are found in South America.

One of a family of extinct edentates found in America. The family includes the megatherium, the megalonyx, etc.

The saccharine substance dulcite; -- so called because found in the leaves of cowwheat (Melampyrum). See Dulcite.

A black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin), in the outer layer of the choroid, and elsewhere. It is supposed to be derived from the decomposition of hemoglobin.…

A mineral occurring in small yellow crystals, found in the lavas (melilite basalt) of Vesuvius, and elsewhere. [Written also mellilite.]

A mineral of a honey color, found in brown coal, and partly the result of vegetable decomposition; honeystone. It is a mellitate of alumina.

ge stone set upright in olden times as a memorial or monument. Many, of unknown date, are found in Brittany and throughout Northern Europe.

ne of a small denomination of Christians, so called from Menno Simons of Friesland, their founder. They believe that the New Testament is the only rule of faith, that there is no original sin, that infants should not be baptized, and that Christians ought not to take oath, hold office, or render military service.…

avor; pity; compassion; willingness to spare or to help. In whom mercy lacketh and is not founden. Sir T. Elyot.

One of a class of independent, isolated cells found in the mesoderm, while the germ layers are undergoing differentiation.

A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.

A form of albumin found in ascitic and certain serous fluids. It is sometimes regarded as a mixture of albumin and mucin.

eteoric stone. (Min.) See Meteorite. -- Meteoric paper, a substance of confervoid origin found floating in the air, and resembling bits of coarse paper; -- so called because formerly supposed to fall from meteors. -- Meteoric showers, periodical exhibitions of shooting stars, occuring about the 9th or 10th of August…

A stable crystalline compound obtained by the decomposition of hemoglobin. It is found in old blood stains.

A white waxy substance, found in small quantities in spermaceti as an ethereal salt of several fatty acids, and regarded as an alcohol of the methane series.

re gases, as methane, ethane; intermediate members are liquids, as hexane, heptane, etc. (found in benzine, kerosene, etc.); while the highest members are white, waxy, or fatty solids, as paraffin proper.