11-letter words containing o, n, d, r
- henry fonda — Henry, 1905–82, U.S. actor.
- heptahedron — a solid figure having seven faces.
- heptandrous — (of a flower) having seven stamens
- herding dog — one of any of several breeds of dogs used originally for herding livestock, including the Belgian sheepdog, collie, German shepherd, and Old English sheepdog.
- heterodyned — Simple past tense and past participle of heterodyne.
- hexahedrons — Plural form of hexahedron.
- hierodeacon — a monk who is also a deacon.
- high ground — a position of moral or ethical superiority: The candidate has claimed the moral high ground.
- home ground — an area, locality, or subject with which one is intimately familiar: When you see those familiar mountains appear on the horizon, you'll know you are back on home ground. Baseball and football are home ground for this sports-loving community.
- honor bound — bound by or placed under the obligation of honor: She felt honor-bound to defend her friend.
- honor guard — guard of honor.
- honor-bound — bound by or placed under the obligation of honor: She felt honor-bound to defend her friend.
- horn-rimmed — having the frames or rims made of horn or tortoise shell, or plastic that simulates either of these: horn-rimmed glasses.
- horn-spread — (of a horned creature) the distance between the outermost tips of the horns.
- hornblendic — Of or pertaining to hornblende.
- horned frog — any of various frogs having a marked protuberance on the head, cheek, or upper eyelid.
- horned lark — a lark, Eremophila alpestris, of the Northern Hemisphere, having a tuft of feathers on each side of the crown of the head.
- horned pout — a bullhead, especially the brown bullhead.
- horned toad — an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales.
- horse-drawn — A horse-drawn carriage, cart, or other vehicle is one that is pulled by one or more horses.
- house brand — a brand name used by a retailer for a product or product line made specifically for or by the retailer.
- houselander — Caryll [kar-uh l] /ˈkær əl/ (Show IPA), 1901–54, English writer on Roman Catholicism.
- hundredfold — a hundred times as great or as much.
- hunker down — to squat on one's heels (often followed by down).
- hybrid corn — a crossbred corn, especially the grain of corn developed by hybridization of repeatedly self-pollinated, and therefore genetically pure, varieties.
- hydnocarpic — of or relating to hydnocarpic acid
- hydrocarbon — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- hydrocodone — an opioid analgesic, C 18 H 21 NO 3 , used to treat moderate to severe pain.
- hydrocyanic — of or derived from hydrocyanic acid.
- hydrogenase — an enzyme in certain microorganisms that speeds up the reversible oxidation of hydrogen
- hydrogenate — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenize — hydrogenate.
- hydrogenous — of or containing hydrogen.
- hydrolyzing — Present participle of hydrolyze.
- hydromancer — One who practices hydromancy.
- hydronation — (chemistry) The formation of a complex with hydrogen.
- hydrophones — Plural form of hydrophone.
- hydrophyton — a branched plant-like structure which supports colonial animals such as zooids
- hydroplaned — Simple past tense and past participle of hydroplane.
- hydroplaner — a person who pilots a hydroplane, especially a professional speedboat racer.
- hydroplanes — Plural form of hydroplane.
- hydroponics — the cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil; soilless growth of plants. Compare aeroculture, geoponics (def 2).
- hydroxonium — (chemistry) The cation obtained by reacting a proton with water - H3O+; hydronium.
- hydroxyzine — an antihistaminic compound, C 21 H 27 ClN 2 O 2 , used in the treatment of allergy, nausea, and anxiety.
- hyperdorian — of or related to the mode above the Dorian mode in ancient Greek music
- hypermodern — of or relating to present and recent time; not ancient or remote: modern city life.
- icosahedron — a solid figure having 20 faces.
- icosandrian — (of a plant) having at least twenty stamens
- icosandrous — belonging to the Icosandria, a class of plants
- idiocentric — Characterized by or denoting interest centered upon oneself or one's own ways, rather than upon others or the ways of others; self-centered.