Gymnophthalmata :: Gymnophthalmata (n. pl.) A group of acalephs, including the naked-eyed medusae; the hydromedusae. Most of them are known to be the free-swimming progeny (gonophores) of hydroids..
Hygrophthalmic :: Hygrophthalmic (a.) Serving to moisten the eye; -- sometimes applied to the lachrymal ducts.
Microphthalmy :: Microphthalmy (n.) An unnatural smallness of the eyes, occurring as the result of disease or of imperfect development..
Naphthalate :: Naphthalate (n.) A salt of naphthalic acid; a phthalate.
Naphthalene :: Naphthalene (n.) A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline..
Naphthalenic :: Naphthalenic (a.) Pertaining to , or derived from, naphthalene; -- used specifically to designate a yellow crystalline substance, called naphthalenic acid and also hydroxy quinone, and obtained from certain derivatives of naphthol..
Naphthalic :: Naphthalic (a.) Pertaining to, derived from, or related to, naphthalene; -- used specifically to denote any one of a series of acids derived from naphthalene, and called naphthalene acids..
Naphthalic :: Naphthalic (a.) Formerly, designating an acid probably identical with phthalic acid..
Naphthalize :: Naphthalize (v. t.) To mingle, saturate, or impregnate, with naphtha..
Ophthalmia :: Ophthalmia (n.) An inflammation of the membranes or coats of the eye or of the eyeball.
Ophthalmic :: Ophthalmic (a.) Of, pertaining to, or in the region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead..
Ophthalmite :: Ophthalmite (n.) An eyestalk; the organ which bears the compound eyes of decapod Crustacea.
Ophthalmologist :: Ophthalmologist (n.) One skilled in ophthalmology; an oculist.
Ophthalmology :: Ophthalmology (n.) The science which treats of the structure, functions, and diseases of the eye..
Ophthalmometer :: Ophthalmometer (n.) An instrument devised by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained..