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A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentan…

Of, pert. to, or designating, modern Hebrew, or Hebrew of later date than the Biblical.

Designating, or pertaining to, a group of modern economists who hold to the Malthusianism doctrine that permanent betterment of the general standard of living is impossible without decrease of competition by limitation of the number of births. -- Ne`o- Mal*thu"sian, Ne`o-Mal*thu"sian*ism, n.

Belonging to, or designating, the modern revival of classical, esp. Greco-Roman, taste and manner of work in architecture, etc.

Of or pertaining to, or designating, an era characterized by late remains in stone. The Neolithic era includes the latter half of the "Stone age;" the human relics which belong to it are associated with the remains of animals not yet extinct. The kitchen middens of Denmark, the lake dwellings of Switzerland, and the st…

Belonging to, or designating, a region of the earth's surface which comprises most of South America, the Antilles, and tropical North America.

ore especially to words which are not appellations of males or females; expressing or designating that which is of neither sex; as, a neuter noun; a neuter termination; the neuter gender.

mism in contrast with the "old thought" of sin, evil, predestination, and pessimistic resignation. The term is essentially synonymous with the term High Thought, used in England.

Pertaining to, or containing, nickel; specifically, designating compounds in which, as contrasted with the nickelous compounds, the metal has a higher valence; as nickelic oxide.

Of, pertaining to, or designating, those compounds of nickel in which, as contrasted with the nickelic compounds, the metal has a lower valence; as, nickelous oxide. Frankland.

Pertaining to, or derived from, nicotine; nicotic; -- used specifically to designate an acid related to pyridine, obtained by the oxidation of nicotine, and called nicotinic acid.

Of, pertaining to, or designating, a complex organic acid produced as a white crystalline substance by the action of nitrous acid on hydroquinone.

Combined, or impregnated, with nitric acid, or some of its compounds.

Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with nitrous compounds, the element has a higher valence; as, nitric oxide; nitric acid. Nitric acid, a colorless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is power…

To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.

A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids, as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene. Nitro group, the radical NO2; -- called also nitroxyl.

To combine, or impregnate, with nitrogen or its compounds.

of, derived from, or designating, a nitrol; as, a nitrolic acid.

Pertaining to, derived from, or designating, a complex acid called nitroprussic acid, obtained indirectly by the action of nitric acid on potassium ferrocyanide (yellow prussiate), as a red crystalline unstable substance. It forms salts called nitroprussides, which give a rich purple color with alkaline subphides.…

Of, pertaining to, or designating, a nitro derivative of salicylic acid, called also anilic acid.