Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of convex is as below...

Rose-cut :: Rose-cut (a.) Cut flat on the reverse, and with a convex face formed of triangular facets in rows; -- said of diamonds and other precious stones. See Rose diamond, under Rose. Cf. Brilliant, n..

Mushroom :: Mushroom (n.) An edible fungus (Agaricus campestris), having a white stalk which bears a convex or oven flattish expanded portion called the pileus. This is whitish and silky or somewhat scaly above, and bears on the under side radiating gills which are at first flesh-colored, but gradually become brown. The plant grows in rich pastures and is proverbial for rapidity of growth and shortness of duration. It has a pleasant smell, and is largely used as food. It is also cultivated from spawn..

Convex :: Convex (n.) A convex body or surface.

Xebec :: Xebec (n.) A small three-masted vessel, with projecting bow stern and convex decks, used in the Mediterranean for transporting merchandise, etc. It carries large square sails, or both. Xebecs were formerly armed and used by corsairs..

Plano-convex :: Plano-convex (a.) Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens..

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..

Presbyopia :: Presbyopia () A defect of vision consequent upon advancing age. It is due to rigidity of the crystalline lens, which produces difficulty of accommodation and recession of the near point of vision, so that objects very near the eyes can not be seen distinctly without the use of convex glasses. Called also presbytia..

Knuckle :: Knuckle (n.) A convex portion of a vessel's figure where a sudden change of shape occurs, as in a canal boat, where a nearly vertical side joins a nearly flat bottom..

Convexly :: Convexly (adv.) In a convex form; as, a body convexly shaped..

Convex :: Convex (a.) Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; -- said of a spherical surface or curved line when viewed from without, in opposition to concave..

Camber :: Camber (n.) An upward convexity of a deck or other surface; as, she has a high camber (said of a vessel having an unusual convexity of deck)..

Claude Lorraine Glass :: Claude Lorraine glass () A slightly convex mirror, commonly of black glass, used as a toy for viewing the reflected landscape..

Opisthocoelous :: Opisthocoelous (a.) Concave behind; -- applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.

Belly :: Belly (n.) The hollow part of a curved or bent timber, the convex part of which is the back..

Roach :: Roach (n.) A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit..

Lenticular :: Lenticular (a.) Resembling a lentil in size or form; having the form of a double-convex lens.

Hyponasty :: Hyponasty (n.) Downward convexity, or convexity of the inferior surface..

Concavo-convex :: Concavo-convex (a.) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens..

Talon :: Talon (n.) A kind of molding, concave at the bottom and convex at the top; -- usually called an ogee..

Hyponastic :: Hyponastic (a.) Exhibiting a downward convexity caused by unequal growth. Cf. Epinastic.

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