12-letter words containing h, o, a
- inharmonical — Alternative form of inharmonic.
- inharmonious — not harmonious; discordant; unmelodious.
- inhospitable — not inclined to, or characterized by, hospitality, as persons or actions; unfriendly.
- inhospitably — not inclined to, or characterized by, hospitality, as persons or actions; unfriendly.
- ion exchange — the process of reciprocal transfer of ions between a solution and a resin or other suitable solid.
- 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.
- islamophobia — Alternative capitalization of Islamophobia.
- isochromatic — Optics. having the same color or tint.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- jackson hole — a valley in NW Wyoming, near the Teton Range: wildlife preserve.
- james hutton — James, 1726–97, Scottish geologist: formulated uniformitarianism.
- jiaozhou bay — an inlet of the Yellow Sea in NE China, in SE Shandong province
- johannesburg — a city in S Transvaal, in the NE Republic of South Africa.
- john hancock — Herbert Jeffrey ("Herbie") born 1940, U.S. jazz pianist and composer.
- john mauchly — (person) /jon W mok'*-lee/ (rhymes with "broccoli") Dr. John W. Mauchly, one of the developers of ENIAC.
- john paul ii — (Karol Wojtyla) 1920–2005, Polish ecclesiastic: pope 1978–2005.
- johnsongrass — a tall perennial sorghum widely used as forage
- johor baharu — a city in S Malaysia, near Singapore.
- johore bahru — a city in and the capital of Johore state, Malaysia, in the S part.
- 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.
- juan hidalgo — Juan [hwahn] /ʰwɑn/ (Show IPA), c1600–85, Spanish composer and harpist.
- kachina doll — a Hopi Indian doll carved from cottonwood root in representation of a kachina and given as a gift to a child or used as a household decoration.
- kaleidophone — an instrument, invented by Professor Charles Wheatstone (1802-1875), consisting of a light on a vibrating rod with a reflecting knob for exhibiting the effect of sound waves
- 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.
- keraunograph — an instrument for recording thunderstorms by detecting the radio waves generated
- kinesophobia — Fear of movement.
- kinetography — a camera for taking pictures for a kinetoscope.
- kingdom hall — a meeting place of Jehovah's Witnesses for religious services.
- kitchen soap — heavy-duty soap intended for use in the kitchen
- kittikachorn — Thanom [thah-nom] /θɑˈnɒm/ (Show IPA), 1911–2004, Thai army officer and statesman: premier 1963–73.
- 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.
- lachrymiform — Shaped like a teardrop.
- 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)
- lamellaphone — Alt form lamellophone.
- lamellophone — (musical instruments) Any of several musical instruments in which the sound is produced by plucking a series of thin lamellaa attached to a sounding board.
- lamprophyres — Plural form of lamprophyre.
- lamprophyric — belonging or relating to a lamprophyre
- land-holding — a holder, owner, or occupant of land.