n. (Bot.) A nonmotile gamete, found in certain lower algæ. [ Webster 1913 Suppl. ]

‖n. [ NL., fr. Gr. ba`lanos acorn + glw^ssa tongue. ] (Zool.) A peculiar marine worm. See Enteropneusta, and Tornaria. [ 1913 Webster ]

a. [ Gr. ba`lanos acorn + -oid. ] (Zool.) Resembling an acorn; -- applied to a group of barnacles having shells shaped like acorns. See Acornshell, and Barnacle. [ 1913 Webster ]

‖n. [ NL., fr. Gr. dry^s oak + ba`lanos acorn + 'o`psis appearance. The fruit remotely resembles an acorn in its cup. ] (Bot.) The genus to which belongs the single species Dryobalanops Camphora, a lofty resinous tree of Borneo and Sumatra, yielding Borneo camphor and camphor oil. [ 1913 Webster ]

n. [ Gr. &unr_;; &unr_;, &unr_;, a Greek + &unr_; right, judgment. ] (Gr. Antiq.) A judge or umpire in games or combats. [ 1913 Webster ]

n. [ L. lana wool + oleum oil. ] (Physiol. Chem.) A peculiar fatlike body, made up of cholesterin and certain fatty acids, found in feathers, hair, wool, and keratin tissues generally. [ 1913 Webster ]

☞ Under the same name, it is prepared from wool for commercial purposes, and forms an admirable basis for ointments, being readily absorbed by the skin. [ 1913 Webster ]

n.; pl. Llanos [ Sp., plain even, level. See Plain. ] An extensive plain with or without vegetation. [ Spanish America ] [ 1913 Webster ]

n. (Med.), Any of several malignant neoplasms (usually of the skin) consisting of melanocytes; called also melanoma. It is classed as a type of skin cancer. [ WordNet 1.5 ]

‖n. pl. [ NL. See Melanochroic. ] (Ethnol.) A group of the human race, including the dark whites. [ 1913 Webster ]

a. [ Gr. melana`chroos; me`las, -anos, black + chroa` color. ] Having a dark complexion; of or pertaining to the Melanochroi. [ 1913 Webster ]

n. [ See Melanochroic. ] (Min.) A mineral of a red, or brownish or yellowish red color. It is a chromate of lead; -- called also phoenicocroite. [ 1913 Webster ]

a. [ Gr. me`las, me`lanos, black + &unr_; hair. ] Having very dark or black hair; black-haired. Prichard. [ 1913 Webster ]

‖n.; L. pl. -nomata /plu>. [ NL.; Gr. &unr_;, &unr_;, black + -oma. ] (Med.) (a) A tumor containing dark pigment. Such tumors are usually malignant and often fatal. (b) Development of dark-pigmented tumors. [ Webster 1913 Suppl. +PJC ]

‖n. [ NL., fr. Gr. me`las, me`lanos, black + &unr_; to flow. ] (Bot.) An East Indian genus of large trees. Melanorrhœa usitatissima is the lignum-vitae of Pegu (in Burma), and yields a valuable black varnish. [ 1913 Webster ]

n. [ Gr. me`las, me`lanos, black + -scope. ] (Opt.) An instrument containing a combination of colored glasses such that they transmit only red light, so that objects of other colors, as green leaves, appear black when seen through it. It is used for viewing colored flames, to detect the presence of potassium, lithium, etc., by the red light which they emit. [ 1913 Webster ]

‖[ NL., fr. Gr. &unr_; a growing black, fr. me`las, me`lanos, black. ] (Med.) The morbid deposition of black matter, often of a malignant character, causing pigmented tumors. [ 1913 Webster ]

n. [ Gr. me`las, me`lanos, black + spe`rma seed. ] (Bot.) An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp. -- Mel`a*no*sper"mous a. [1913 Webster]

a. Melanistic. [ 1913 Webster ]

n. [ Gr. me`las, me`lanos, black + -type. ] (Photog.) A positive picture produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture. [ Written also melainotype. ] [ 1913 Webster ]

See Plani-. [ 1913 Webster ]

{ . [ L. planus. See Plane, a. ] Combining forms signifying flat, level, plane; as planifolious, planimetry, plano-concave. [ 1913 Webster ]

n. [ Gr. &unr_; to wander + -blast. ] (Zool.) Any free-swimming gonophore of a hydroid; a hydroid medusa. [ 1913 Webster ]

a. [ Plano- + concave. ] Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens. [ 1913 Webster ]

a. [ Plano- + conical. ] Plane or flat on one side, and conical on the other. Grew. [ 1913 Webster ]

a. [ Plano- + convex. ] Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens. [ 1913 Webster ]

n. [ Gr. &unr_; wandering + E. gamete. ] (Bot.) One of the motile ciliated gametes, or zoogametes, found in isogamous plants, as many green algæ (Chlorophyceæ). [ Webster 1913 Suppl. ]

a. [ Plano- + horizontal. ] Having a level horizontal surface or position. Lee. [ 1913 Webster ]

n. [ Plano- + -meter. Cf. Planimeter. ] An instrument for gauging or testing a plane surface. See Surface gauge, under Surface. [ 1913 Webster ]

n. (Mech.) The art or process of producing or gauging a plane surface. [ 1913 Webster ]

a. [ Plano- + orbicular. ] Plane or flat on one side, and spherical on the other. [ 1913 Webster ]

‖n. [ NL., fr. L. planus flat + orbis a circle. ] (Zool.) Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form. [ 1913 Webster ]

a. [ Plano- + subulate. ] Smooth and awl-shaped. See Subulate. [ 1913 Webster ]

{ } a. Porcelaneous. Ure. [ 1913 Webster ]

‖[ Sp., fr. L. solanus (sc. ventus), from sol the sun. ] A hot, oppressive wind which sometimes blows in the Mediterranean, particularly on the eastern coast of Spain. [ 1913 Webster ]

a. [ Solanum + -oid. ] (Med.) Resembling a potato; -- said of a kind of cancer. [ 1913 Webster ]

a. adv., n., See Villainous, etc. [ 1913 Webster ]

a. [ Pref. xantho- + Gr. &unr_;, &unr_;, black. ] (Ethnol.) Of or pertaining to the lighter division of the Melanochroi, or those races having an olive or yellow complexion and black hair. [ Webster 1913 Suppl. ]