n. (Chem.) See Basyle. [ 1913 Webster ]

n. [ NL. chylus, Gr. &unr_; juice, chyle, fr. &unr_; to pour: cf. F. chyle; prob. akin to E. fuse to melt. ] (Physiol.) A milky fluid containing the fatty matter of the food in a state of emulsion, or fine mechanical division; formed from chyme by the action of the intestinal juices. It is absorbed by the lacteals, and conveyed into the blood by the thoracic duct. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; to pour in + &unr_; anything received. ] (Biol.) The basal substance of the cell nucleus; a hyaline or granular substance, more or less fluid during life, in which the other parts of the nucleus are imbedded. [ 1913 Webster ]

n. [ From Ethyl. ] (Chem.) A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen. [ 1913 Webster ]

Ethylene series (Chem.), the series of unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n. [ 1913 Webster ]

n. Same as Hylæosaur. [ 1913 Webster ]

n. [ F. méthylène, from Gr. &unr_; wine + &unr_; wood; -- a word coined to correspond to the name wood spirit. ] (Chem.) A divalent hydrocarbon radical, -CH2-, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene. [ 1913 Webster ]

Methylene blue (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also pure blue. [ 1913 Webster ]

n. a drug designed to have the effects of amphetamines but to avoid the drug laws, but now a controlled substance. Called also MDMA.
Syn. -- MDMA, Adam, ecstasy. [ WordNet 1.5 ]

a. [ Gr. &unr_; of one tribe, fr. mo`nos single + &unr_; clan. ] (Biol.) Of or pertaining to a single family or stock, or to development from a single common parent form; -- opposed to polyphyletic; as, monophyletic origin. [ 1913 Webster ]

n. [ Oxy- (a) + methylene. ] (Chem.) Formic aldehyde, regarded as a methylene derivative. [ 1913 Webster ]

n. [ Penta- + methylene. ] (Chem.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene. [ 1913 Webster ]

‖n.; pl. Phylæ [ NL., fr. Gr. &unr_; a body of men united by ties of blood or habitation. ] A local division of the people in ancient Athens; a clan; a tribe. [ 1913 Webster ]

a. [ Poly- + Gr. &unr_; clan. ] (Biol.) Pertaining to, or characterized by, descent from more than one root form, or from many different root forms; polygenetic; -- opposed to monophyletic. [ 1913 Webster ]

n. [ Tetra- + methylene. ] (Chem.) (a) A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives. (b) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene. [ 1913 Webster ]

n. (Chem.) A gaseous hydrocarbon, C3H6, isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons. [ 1913 Webster ]