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An instrument for examining the condition of the ear.

Of or pertaining to the otoscope or to otoscopy.

The examination of the ear; the art of using the otoscope.

Ourology.

An apparatus employed to indicate the presence, or the amount, of ozone.

Serving to indicate the presence or the amount of ozone.

A pantascopic camera.

Viewing all; taking a view of the whole. See under Camera.

Literally, seeing everything; -- a term applied to eyeglasses or spectacles divided into two segments, the upper being designed for distant vision, the lower for vision of near objects.

An extensive genus of fossil ferns; -- so named from the regular comblike arrangement of the leaflets.

A selection or extract from a book; especially (Theol.), a selection from the Bible, appointed to be read in the churches or used as a text for a sermon.

A table or other means for calculating the periodical functions of women. Dunglison.

A general or comprehensive view. [R.]

Viewing all around, or on all sides. Periscopic spectacles (Opt.), spectacles having concavo-convex or convexo-concave lenses with a considerable curvature corresponding to that of the eye, to increase the distinctness of objects viewed obliquely.

A genus of trilobites found in the Silurian and Devonian formations. Phacops bufo is one of the most common species.

An instrument for studying the mechanism of accommodation.

An optical instrument or toy, resembling the phenakistoscope, and illustrating the same principle; -- called also phantasmascope.

See Phantascope.

A book or treatise describing the drugs, preparations, etc., used in medicine; especially, one that is issued by official authority and considered as an authoritative standard.

One who sells medicines; an apothecary.