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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.

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 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…

Specifically:

According to a square or rule; perpendicular; forming a right angle. Specifically: Of or pertaining to a normal.

Specifically: That part of the United States lying north of Mason and Dixon's line. See under Line.

Specifically:

Specifically, the Magellanic clouds.

Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc.…

The state of being besieged; -- used specifically of a person beset by a spirit from without. Tylor. Whether by obsession or possession, I will not determine. Burton.

n the evening; that part of the earth towards the sunset; the west; -- opposed to orient. Specifically, in former times, Europe as opposed to Asia; now, also, the Western hemisphere. Chaucer. I may wander from east to occident. Shak.

Pertaining to, derived from, or resembling, octane; -- used specifically, to designate any one of a group of acids, the most important of which is called caprylic acid.

Having, or imparting, the odor characteristic of the bouquet of wine; specifically used, formerly, to designate an acid whose ethereal salts were supposed to occasion the peculiar bouquet, or aroma, of old wine. Cf. OEnanthylic. OEnanthic acid, an acid obtained from oenanthic ether by the action of alkalies. -- OEnant…

Pertaining to, derived from, or containing, oenanthyl; specifically, designating an acid formerly supposed to be identical with the acid in oenanthic ether, but now known to be identical with heptoic acid.

office recited in honor of the Virgin Mary. -- Office bearer, an officer; one who has a specific office or duty to perform. -- Office copy (Law), an authenticated or certified copy of a record, from the proper office. See Certified copies, under Copy. Abbott. -- Office-found (Law), the finding of an inquest of offi…

Specifically, a commissioned officer, in distinction from a warrant officer. Field officer, General officer, etc. See under Field, General. etc. -- Officer of the day (Mil.), the officer who, on a given day, has charge for that day of the quard, prisoners, and police of the post or camp. -- Officer of the deck, or Of…

Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene. [Archaic]

A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.

se at the opera, theater, etc. -- Opera hat, a gentleman's folding hat. -- Opera house, specifically, a theater devoted to the performance of operas. -- Opera seria Etym: [It.], serious or tragic opera; grand opera.

One who opposes in a disputation, argument, or other verbal controversy; specifically, one who attacks some theirs or proposition, in distinction from the respondent, or defendant, who maintains it. How becomingly does Philopolis exercise his office, and seasonably commit the opponent with the respondent, like a long-p…