Oötooid
(O*öt"*ooid O*öt"o*coid) n. [Gr. laying eggs ( egg + a bearing, to bear) + -oid.] (Zoöl.) A half oviparous,
or an oviparous, mammal; a marsupial or monotreme.
Oötype
(O"ö*type) n. [Gr. + - type.] (Zoöl.) The part of the oviduct of certain trematode worms in which
the ova are completed and furnished with a shell.
Ooze
(Ooze) n. [OE. wose, AS. wase dirt, mire, mud, akin to ws juice, ooze, Icel. vas wetness,
OHG. waso turf, sod, G. wasen.]
1. Soft mud or slime; earth so wet as to flow gently, or easily yield to pressure. "My son i' the ooze is
bedded." Shak.
2. Soft flow; spring. Prior.
3. The liquor of a tan vat.
Ooze
(Ooze), v. i. [imp. & p. p. Oozed ; p. pr. & vb. n. Oozing.] [Prov. Eng. weeze, wooz. See
Ooze, n.]
1. To flow gently; to percolate, as a liquid through the pores of a substance or through small openings.
The latent rill, scare oozing through the grass.
Thomson. 2. Fig.: To leak (out) or escape slowly; as, the secret oozed out; his courage oozed out.
Ooze
(Ooze), v. t. To cause to ooze. Alex. Smith.
Oözoa
(||O`ö*zo"a) n. pl. [NL., fr. Gr. an egg + zo^,on an animal.] (Zoöl.) Same as Acrita.
Oozy
(Ooz"y) a. Miry; containing soft mud; resembling ooze; as, the oozy bed of a river. Pope.
Opacate
(O*pa"cate) v. t. [L. opacatus, p. p. of opacare.] To darken; to cloud. [Obs.] Boyle.
Opacity
(O*pac"i*ty) n. [L. opacitas: cf.F. opacité.]
1. The state of being opaque; the quality of a body which renders it impervious to the rays of light; want
of transparency; opaqueness.
2. Obscurity; want of clearness. Bp. Hall.
Opacous
(O*pa"cous) a. [L. opacus. See Opaque.] Opaque. [R.] Milton. — O*pa"cous*ness, n.
[R.]
Opacular
(O*pac"u*lar) a. Opaque. [Obs.] Sterne.
Opah
(O"pah) n. (Zoöl.) A large oceanic fish inhabiting the Atlantic Ocean. It is remarkable for its brilliant
colors, which are red, green, and blue, with tints of purple and gold, covered with round silvery spots.
Called also king of the herrings.
Opake
(O*pake") a. See Opaque.
Opal
(O"pal) n. [L. opalus: cf. Gr. Skr. upala a rock, stone, precious stone: cf. F. opale.] (Min.) A
mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.
The precious opal presents a peculiar play of colors of delicate tints, and is highly esteemed as a gem.
One kind, with a varied play of color in a reddish ground, is called the harlequin opal. The fire opal
has colors like the red and yellow of flame. Common opal has a milky appearance. Menilite is a brown
