12-letter words containing o, a, t, h
- ichthyocolla — a fish glue or gelatine used as food or medicine
- ichthyofauna — the indigenous fish of a region.
- ichthyolatry — The worship of fishes, or of fish-shaped idols.
- ichthyophagy — the practice of eating or subsisting on fish.
- ichthyosaurs — Plural form of ichthyosaur.
- iconomachist — a person who campaigns against the use of icons in religious worship
- idiopathical — Alternative form of idiopathic.
- immethodical — not methodical; without method or system.
- in hot water — If you are in hot water, you are in trouble.
- in mothballs — a small ball of naphthalene or sometimes of camphor for placing in closets or other storage areas to repel moths from clothing, blankets, etc.
- inchoateness — The quality of being inchoate.
- inchoatively — in an inchoative or rudimentary fashion; initially
- indomethacin — a substance, C 19 H 16 ClNO 4 , with anti-inflammatory, antipyretic, and analgesic properties: used in the treatment of certain kinds of arthritis and gout.
- inhabitation — to live or dwell in (a place), as people or animals: Small animals inhabited the woods.
- inhalational — (of an anesthetic) Administered as a gas or vapour that is inhaled.
- inhalatorium — a room or building in which vapours are breathed in
- 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.
- 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.
- james hutton — James, 1726–97, Scottish geologist: formulated uniformitarianism.
- 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.
- 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.
- kinetography — a camera for taking pictures for a kinetoscope.
- 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.
- 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
- latin school — a secondary school emphasizing instruction in Latin and Greek.
- 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.
- leopard moth — a moth, Zeuzera pyrina, having white wings spotted with black and larvae that bore into the wood of various trees and shrubs.
- leptocephali — Plural form of leptocephalus.
- light cannon — a particularly powerful torch, spotlight, or searchlight
- lion-hearted — exceptionally courageous or brave.