11-letter words containing o, t, r, h, i
- ichthyornis — an extinct genus of toothed birds having vertebrae resembling those of fishes.
- ichthyosaur — any fishlike marine reptile of the extinct order Ichthyosauria, ranging from 4 to 40 feet (1.2 to 12 meters) in length and having a round, tapering body, a large head, four paddlelike flippers, and a vertical caudal fin.
- intergrowth — growth or growing together, as of one thing with or into another.
- interschool — Occurring or taking place between two or more schools.
- intraschool — Within a single school.
- iron sights — conventional non-telescopic sights on a rifle
- ironhearted — hardhearted or callous
- isallotherm — a line on a weather map or chart connecting points having equal temperature variations within a given period of time.
- isogeotherm — an imaginary line connecting all points within the earth having the same mean temperature.
- isorhythmic — a structural feature characteristic of the Ars Nova motet, consisting of a single rhythmic phrase pattern repeated, usually in the tenor, throughout the composition.
- ivory-white — of a creamy or yellowish white in color.
- janitorship — the office of janitor
- kantorovich — Leonid Vitalyevich [ley-uh-nid vi-tal-yuh-vich;; Russian lyi-uh-nyeet vyi-tah-lyuh-vyich] /ˈleɪ ə nɪd vɪˈtæl yə vɪtʃ;; Russian lyɪ ʌˈnyit vyɪˈtɑ lyə vyɪtʃ/ (Show IPA), 1912–86, Soviet mathematician and economist: Nobel Prize in Economics 1975.
- kid brother — younger male sibling
- kinetochore — Biology. the place on either side of the centromere to which the spindle fibers are attached during cell division.
- kinetograph — a camera for taking pictures for a kinetoscope.
- lecythiform — (biology, mycology) shaped like a bowling pin, a flask, or a bottle.
- lethiferous — lethal.
- light horse — cavalry carrying light arms and equipment.
- light opera — operetta.
- lion-hunter — a person who hunts lions, esp for sport
- lionhearted — exceptionally courageous or brave.
- lipoatrophy — (medicine) The loss of subcutaneous fatty tissue.
- lithochromy — the art or practice of painting on stone
- lithographs — Plural form of lithograph.
- lithography — the art or process of producing a picture, writing, or the like, on a flat, specially prepared stone, with some greasy or oily substance, and of taking ink impressions from this as in ordinary printing.
- lithometeor — a mass of dry particles suspended in the atmosphere, as dust or haze.
- lithosphere — the solid portion of the earth (distinguished from atmosphere, hydrosphere).
- lithotripsy — the pulverization and removal of urinary calculi using a lithotripter.
- lithotritor — a medical device used to remove kidney and bladder stones non-evasively
- littleworth — worthless; of little value
- logarithmic — pertaining to a logarithm or logarithms.
- lower sixth — the first year of the sixth form
- machinators — Plural form of machinator.
- macrophytic — Relating to macrophytes.
- marathonian — a native or inhabitant of Marathon.
- marathoning — the sport of running marathons
- mechatronic — relating to mechatronics
- merthiolate — thimerosal
- mesothorium — one of two radioactive decay products of thorium, an isotope of radium or actinium.
- mesotrophic — (of freshwater lakes) containing medium levels of nutrients
- metachrosis — the ability of some animals, such as chameleons, to change their colour
- metamorphic — pertaining to or characterized by change of form, or metamorphosis.
- metanephroi — Plural form of metanephros.
- metaphorist — a creator or user of metaphors
- metaphorize — To describe something using metaphors.
- metatrophic — requiring dead organic matter for food.
- microlights — Plural form of microlight.
- microlithic — pertaining to or characterized by the use of microliths, as a people or culture.
- micromethod — the use of magnification, usually by using a microscope, for study or for performing mechanical operations on a very small scale.