(Math.), a direct or positive demonstration, as opposed to the apagogical or indirect method.

Ostensively
(Os*ten"sive*ly), adv. In an ostensive manner.

Ostensorium
(||Os`ten*so"ri*um Os*ten"so*ry) n.; pl. L. -soria E. -sories [NL. ostensorium: cf. F. ostensoir. See Ostensible.] (R. C. Ch.) Same as Monstrance.

Ostent
(Os"tent) n. [L. ostentus, ostentum, fr. ostendere (p. p. ostensus and ostentus) to show. See Ostensible.]

1. Appearance; air; mien. Shak.

2. Manifestation; token; portent. Dryden.

We asked of God that some ostent might clear
Our cloudy business, who gave us sign.
Chapman.

Ostentate
(Os"ten*tate) v. t. [L. ostentatus, p. p. of ostentare, v. intens. fr. ostendere. See Ostent.] To make an ambitious display of; to show or exhibit boastingly. [R.] Jer. Taylor.

Ostentation
(Os`ten*ta"tion) n. [L. ostentatio: cf. F. ostentation.]

1. The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; — usually in a detractive sense. "Much ostentation vain of fleshly arm." Milton.

He knew that good and bountiful minds were sometimes inclined to ostentation.
Atterbury.

2. A show or spectacle. [Obs.] Shak.

Syn. — Parade; pageantry; show; pomp; pompousness; vaunting; boasting. See Parade.

Ostentatious
(Os`ten*ta"tious) a. Fond of, or evincing, ostentation; unduly conspicuous; pretentious; boastful.

Far from being ostentatious of the good you do.
Dryden.

The ostentatious professions of many years.
Macaulay.

Os`ten*ta"tious*ly, adv.Os`ten*ta"tious*ness, n.

Ostentator
(Os"ten*ta`tor) n. [L.] One fond of display; a boaster. Sherwood.

Ostentive
(Os*ten"tive) a. Ostentatious. [Obs.]

Ostentous
(Os*ten"tous) a. Ostentatious. [Obs.] Feltham.

Osteo-
(Os"te*o-). A combining form of Gr. a bone.

Osteoblast
(Os"te*o*blast) n. [Osteo- + -blast.] (Anat.) One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.

Osteoclasis
(||Os`te*o*cla"sis) n. [NL. See Osteoclast.] (Surg.) The operation of breaking a bone in order to correct deformity.

Osteoclast
(Os"te*o*clast) n. [Osteo- + Gr. to break.]

1. (Physiol.) A myeloplax.

Ostensive demonstration


  By PanEris using Melati.

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