| manganic | <chemistry> Of, pertaining to resembling, or containing, manganese; specif, designating compounds in which manganese has a higher valence as contrasted with manganous compounds. Cf. Manganous. Manganic acid, an acid, H2MnO4, formed from manganese, analogous to sulphuric acid. Origin: Cf. F. Manganique. Source: Websters Dictionary (01 Mar 1998) |
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| manganite | 1. <chemical> One of the oxides of manganese; called also gray manganese ore. It occurs in brilliant steel-gray or iron-black crystals, also massive. 2. <chemistry> A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid. Source: Websters Dictionary (01 Mar 1998) |
| manganous | <chemistry> Of, pertaining to, designating, those compounds of manganese in which the element has a lower valence as contrasted with manganic compounds; as, manganous oxide. Manganous acid, a hypothetical compound analogous to sulphurous acid, and forming the so-called manganites. Source: Websters Dictionary (01 Mar 1998) |
| manganum | Synonym: manganese. Origin: L. (05 Mar 2000) |
| mange | See: Mangy] The scab or itch in cattle, dogs, and other beasts. <zoology> Mange insect, any one of several species of small parasitic mites, which burrow in the skin of cattle. Horses, dogs, and other animals, causing the mange. The mange insect of the horse (Psoroptes, or Dermatodectes, equi), and that of cattle (Symbiotes, or Dermatophagys, bovis) are the most important species. See Acarina. Source: Websters Dictionary (01 Mar 1998) |
| mangel-wurzel | <botany> A kind of large field beet (B. Macrorhiza), used as food for cattle, by some considered a mere variety of the ordinary beet. See Beet. Alternative forms: mangold-wurzel. Origin: G, corrupted fr. Mangoldwurzel; mangold beet + wurzel root. Source: Websters Dictionary (01 Mar 1998) |
| mangle | A machine for smoothing linen or cotton cloth, as sheets, tablecloths, napkins, and clothing, by roller pressure. <machinery> Mangle rack, a contrivance for converting continuous circular motion into reciprocating rectilinear motion, by means of a rack and pinion, as in the mangle. The pinion is held to the rack by a groove in such a manner that it passes alternately from one side of the rack to the other, and thus gives motion to it in opposite directions, according to the side in which its teeth are engaged. Mangle wheel, a wheel in which the teeth, or pins, on its face, are interrupted on one side, and the pinion, working in them, passes from inside to outside of the teeth alternately, thus converting the continuous circular motion of the pinion into a reciprocating circular motion of the wheel. Origin: D. Mangel, fr. OE. Mangonel a machine for throwing stones, LL. Manganum, Gr. A machine for defending fortifications, axis of a pulley. Cf. Mangonel. Source: Websters Dictionary (01 Mar 1998) |
| mango | Origin: Pg. Manga, fr. Tamil mankay. 1. The fruit of the mango tree. It is rather larger than an apple, and of an ovoid shape. Some varieties are fleshy and luscious, and others tough and tasting of turpentine. The green fruit is pickled for market. 2. A green muskmelon stuffed and pickled. <zoology> Mango bird, a fish of the Ganges (Polynemus risua), highly esteemed for food. It has several long, slender filaments below the pectoral fins. It appears about the same time with the mango fruit, in April and May, whence the name. <botany> Mango tree, an East Indian tree of the genus Mangifera (M. Indica), related to the cashew and the sumac. It grows to a large size, and produces the mango of commerce. It is now cultivated in tropical America. Source: Websters Dictionary (01 Mar 1998) |
| mango dermatitis | A perioral dermatitis resulting from a sensitization reaction to the resinous coating on the peel of the mango fruit. (05 Mar 2000) |
| mangoldwurzel | <botany> A kind of large field beet (B. Macrorhiza), used as food for cattle, by some considered a mere variety of the ordinary beet. See Beet. Alternative forms: mangold-wurzel. Origin: G, corrupted fr. Mangoldwurzel; mangold beet + wurzel root. Source: Websters Dictionary (01 Mar 1998) |
| mangonist | 1. One who mangonizes. 2. A slave dealer; also, a strumpet. Source: Websters Dictionary (01 Mar 1998) |
| mangostan | <botany> A tree of the East Indies of the genus Garcinia (G. Mangostana). The tree grows to the height of eighteen feet, and bears fruit also called mangosteen, of the size of a small apple, the pulp of which is very delicious food. Origin: Malay mangusta, mangis. Source: Websters Dictionary (01 Mar 1998) |
| mangosteen | <botany> A tree of the East Indies of the genus Garcinia (G. Mangostana). The tree grows to the height of eighteen feet, and bears fruit also called mangosteen, of the size of a small apple, the pulp of which is very delicious food. Origin: Malay mangusta, mangis. Source: Websters Dictionary (01 Mar 1998) |
| mangrove | 1. <botany> The name of one or two trees of the genus Rhizophora (R. Mangle, and R. Mucronata, the last doubtfully distinct) inhabiting muddy shores of tropical regions, where they spread by emitting aerial roots, which fasten in the saline mire and eventually become new stems. The seeds also send down a strong root while yet attached to the parent plant. The fruit has a ruddy brown shell, and a delicate white pulp which is sweet and eatable. The bark is astringent, and is used for tanning leather. The black and the white mangrove (Avicennia nitida and A. Tomentosa) have much the same habit. 2. <zoology> The mango fish. Origin: Malay manggi-manggi. Source: Websters Dictionary (01 Mar 1998) |
| mangrove fly | <entomology> Species of Chrysops in Africa, vectors of Loa loa; e.g., Chrysops silacea. (05 Mar 2000) |