Chapter Officiary to Oilseed of O by Webster's Dictionary (1913 Edition)

Ogive
(O"give) n. [F. ogive, OF. augive a pointed arch, LL. augiva a double arch of two at right angles.] (Arch.) The arch or rib which crosses a Gothic vault diagonally.

Ogle
(O"gle) v. t. [imp. & p. p. Ogled ; p. pr. & vb. n. Ogling ] [From a Dutch word corresponding to G. äugeln to ogle, fr. auge eye; cf. D. ooglonken to ogle, OD. oogen to cast sheep's eyes upon, ooge eye. See Eye.] To view or look at with side glances, as in fondness, or with a design to attract notice.

And ogling all their audience, ere they speak.

Dryden.

Ogle
(O"gle), n. An amorous side glance or look. Byron.

Ogler
(O"gler) n. One who ogles. Addison.

Oglio
(O"gli*o) n. See Olio.

Ogre
(O"gre) n. [F., fr. Sp. ogro, fr. L. Orcus the god of the infernal regions; also, the lower world, hell.] An imaginary monster, or hideous giant of fairy tales, who lived on human beings; hence, any frightful giant; a cruel monster.

His schoolroom must have resembled an ogre's den.

Maccaulay.

Ogreish
(O"gre*ish), a. Resembling an ogre; having the character or appearance of an ogre; suitable for an ogre. "An ogreish kind of jocularity." Dickens.

Ogress
(O"gress) n. [F. ogresse. See Ogre.] A female ogre. Tennyson.

Ogreism
(O"gre*ism O"grism) , n. The character or manners of an ogre.

Ogygian
(O*gyg"i*an) a. [L. Ogygius, Gr. 'Ogy`gios.] Of or pertaining to Ogyges, a mythical king of ancient Attica, or to a great deluge in Attica in his days; hence, primeval; of obscure antiquity.

Oh
(Oh) interj. [See O, interj.] An exclamation expressing various emotions, according to the tone and manner, especially surprise, pain, sorrow, anxiety, or a wish. See the Note under O.

Ohm
(Ohm) n. [So called from the German electrician, G. S. Ohm.] (Elec.) The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampére. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 10⁹ units of resistance of the C. G. S. system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm.

Ohm's law (Elec.), the statement of the fact that the strength or intensity of an electrical current is directly proportional to the electro-motive force, and inversely proportional to the resistance of the circuit.

Oho
(O*ho") interj. An exclamation of surprise, etc.

- oid
(-oid) [Gr. fr. e'i^dos form, akin to to see, and E. wit: cf.F. -oïde, L. - oïdes.] A suffix or combining form meaning like, resembling, in the form of; as in anthropoid, asteroid, spheroid.

Oïdium
(||O*ïd"i*um) n. [NL., dim. fr. Gr. w,'o`n egg.] (Bot.) A genus of minute fungi which form a floccose mass of filaments on decaying fruit, etc. Many forms once referred to this genus are now believed to be temporary conditions of fungi of other genera, among them the vine mildew which has caused much injury to grapes.