Ophthalmoscope :: Ophthalmoscope (n.) An instrument for viewing the interior of the eye, particularly the retina. Light is thrown into the eye by a mirror (usually concave) and the interior is then examined with or without the aid of a lens..

Ophthalmoscopy :: Ophthalmoscopy (n.) A branch of physiognomy which deduces the knowledge of a person's temper and character from the appearance of the eyes.

Ophthalmoscopy :: Ophthalmoscopy (n.) Examination of the eye with the ophthalmoscope.

Ophthalmy :: Ophthalmy (n.) Same as Ophthalmia.

Paranaphthalene :: Paranaphthalene (n.) Anthracene; -- called also paranaphthaline.

Phthalate :: Phthalate (n.) A salt of phthalic acid.

Phthalein :: Phthalein (n.) One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alkaline solutions are fluorescent..

Phthalic :: Phthalic (a.) Pertaining to, or designating, a dibasic acid obtained by the oxidation of naphthalene and allied substances..

Phthalide :: Phthalide (n.) A lactone obtained by reduction of phthalyl chloride, as a white crystalline substance; hence, by extension, any one of the series of which phthalide proper is the type..

Phthalimide :: Phthalimide (n.) An imido derivative of phthalic acid, obtained as a white crystalline substance, C6H4.(CO)2NH, which has itself (like succinimide) acid properties, and forms a series of salts. Cf. Imido acid, under Imido..

Phthalin :: Phthalin (n.) A colorless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type..

Phthalyl :: Phthalyl (n.) The hypothetical radical of phthalic acid.

Podophthalmia :: Podophthalmia (n. pl.) The stalk-eyed Crustacea, -- an order of Crustacea having the eyes supported on movable stalks. It includes the crabs, lobsters, and prawns. Called also Podophthalmata, and Decapoda..

Podophthalmic :: Podophthalmic (a.) Alt. of Podophthalmou.

Podophthalmite :: Podophthalmite (n.) The eyestalk of a crustacean.

Podophthalmous :: Podophthalmous (a.) Having the eyes on movable footstalks, or pedicels..

Podophthalmous :: Podophthalmous (a.) Of or pertaining to the Podophthalmia.

Steganophthalmata :: Steganography (n.) The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography..

Terephthalate :: Terephthalate (n.) A salt of terephthalic acid.

Terephthalic :: Terephthalic (a.) Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic..

Xerophthalmia :: Xerophthalmia (n.) An abnormal dryness of the eyeball produced usually by long-continued inflammation and subsequent atrophy of the conjunctiva.

Xerophthalmy :: Xerophthalmy (n.) Xerophthalmia.

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