12-letter words containing r, o, t, h
- introvertish — Introverted.
- ionospherist — Someone who studies the ionosphere.
- iontotherapy — (medicine) The therapeutic use of iontophoresis.
- irish potato — potato (def 1).
- iron-hearted — cruel; heartless; unfeeling.
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- isochromatic — Optics. having the same color or tint.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- joint author — a person who shares the writing of a book, article, etc, with another
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- jump shooter — a player skilled at jump shots.
- kashmir goat — one of a long-haired breed of goat raised in Tibet and the higher elevations of China, the Indian subcontinent, Afghanistan, and Turkey for its meat, milk, and cashmere wool.
- katamorphism — metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.
- katharevousa — The purist form of modern Greek used in traditional literary writing, as opposed to the form that is spoken and used in everyday writing (called demotic).
- katharometer — (science) A device used for analyzing gas mixtures by measuring their thermal conductivity.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- khornerstone — A multipurpose benchmark from Workstation Labs used in various periodicals. The source is not free. Results are published in "UNIX Review".
- kinetography — a camera for taking pictures for a kinetoscope.
- kittikachorn — Thanom [thah-nom] /θɑˈnɒm/ (Show IPA), 1911–2004, Thai army officer and statesman: premier 1963–73.
- kosher-style — (of a cuisine, restaurant, etc.) featuring traditional Jewish dishes, but not adhering to the dietary laws: kosher-style cooking.
- kourotrophos — (archaeology) a class of Mycenaean terracotta figurines depicting women carrying children.
- kurchatovium — (chemistry) A rejected name for rutherfordium.
- lachrymation — the secretion of tears, especially in abnormal abundance.
- lachrymatory — of, relating to, or causing the shedding of tears.
- lachrymosity — suggestive of or tending to cause tears; mournful.
- lahore party — a modern sect, divided into an older group (Qadianis) and a newer group (Lahore party)
- last honours — observances of respect at a funeral
- leaf through — one of the expanded, usually green organs borne by the stem of a plant.
- leatherbound — Bound in leather.
- leatherwoods — Plural form of leatherwood.
- leiotrichous — Having smooth hair.
- leopard moth — a moth, Zeuzera pyrina, having white wings spotted with black and larvae that bore into the wood of various trees and shrubs.
- life history — the series of living phenomena exhibited by an organism in the course of its development from inception to death.
- light bomber — a small airplane designed to carry light bomb loads relatively short distances, especially one having a gross loaded weight of less than 100,000 pounds (45,000 kg).
- lion-hearted — exceptionally courageous or brave.
- liothyronine — A form of thyroid hormone used to treat hypothyroidism and myxedema coma.
- lithographed — Simple past tense and past participle of lithograph.
- lithographer — a person who works at lithography.
- lithographic — Of, relating to, or produced by lithography.
- litholatrous — of or relating to the worship of stones
- lithospermum — any annual or perennial herbs and small shrubs of the genus lithospermum, of the borage family, native to Europe, N America, and northern Asia, and having white, blue, or yellow flowers
- lithospheric — Of or pertaining to the lithosphere.
- lithotripter — a device used for fragmenting kidney stones with ultrasound waves.
- lithotriptic — causing the destruction of bladder stones
- lithotritise — to perform a lithotrity
- lithotritize — to perform a lithotrity on
- little horse — the constellation Equuleus.
- little hours — the canonical hours of prime, terce, sext, and nones in the divine office
- little rhody — Rhode Island (used as a nickname).