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The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a…

A peculiar hydrocarbon occuring as an ingredient of Caucasian petroleum.

A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.

Low. Neap tides, the lowest tides of the lunar month, which occur in the second and fourth quarters of the moon; -- opposed to spring tides.

shuttle. -- Needle ore (Min.), acicular bismuth; a sulphide of bismuth, lead, and copper occuring in acicular crystals; -- called also aikinite. -- Needle shell (Zoöl.), a sea urchin. -- Needle spar (Min.), aragonite. -- Needle telegraph, a telegraph in which the signals are given by the deflections of a magnetic n…

A mineral occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elæolite. It is a silicate of aluminia, soda, and potash.

Having existed, or having been made, but a short time; having originated or occured lately; having recently come into existence, or into one's possession; not early or long in being; of late origin; recent; fresh; modern; -- opposed to old, as, a new coat; a new house; a new book; a new fashion. "Your new wife." Chauce…

A report of recent occurences; information of something that has lately taken place, or of something before unknown; fresh tindings; recent intelligence. Evil news rides post, while good news baits. Milton.

-white metallic element. It is of the iron group, and is hard, malleable, and ductile. It occurs combined with sulphur in millerite, with arsenic in the mineral niccolite, and with arsenic and sulphur in nickel glance. Symbol Ni. Atomic weight 58.6.

A sudden awkening associated with a sensation of terror, occurring in children, esp. those of unstable nervous constitution.

A mineral occurring in transparent crystals, usually of a white, sometimes of a reddish gray, or lemon-yellow, color; native sodium nitrate. It is used in making nitric acid and for manure. Called also soda niter.

Nitrate of calcium, a substance having a grayish white color, occuring in efforescences on old walls, and in limestone caves, especially where there exists decaying animal matter.

Of, pertaining to, done or occuring in, the night; as, nocturnal darkness, cries, expedition, etc.; -- opposed to Ant: diurnal. Dryden.

Trifles; things of no importance. Nonsense verses, lines made by taking any words which occur, but especially certain words which it is desired to recollect, and arranging them without reference to anything but the measure, so that the rhythm of the lines may aid in recalling the remembrance of the words.…

Belonging to midday; occurring at midday; meridional. Young.

A rare metallic element, of doubtful identification, said to occur in the copper-nickel of Norway.

up or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and liv…

The act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal.

A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident. The unlooked-for incidents of family history, and its hidden excitements, and its arduous occasions. I. Taylor.

Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts. The... occasional writing of the present times. Bagehot.