12-letter words containing a, r, h, t, s, i
- interchanges — Plural form of interchange.
- intrapsychic — Within the psyche or mind.
- irish potato — potato (def 1).
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- ishtar terra — a plateau region in the northern hemisphere of Venus.
- isochromatic — Optics. having the same color or tint.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- 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.
- kitchenwares — Plural form of kitchenware.
- lachrymosity — suggestive of or tending to cause tears; mournful.
- lamplighters — Plural form of lamplighter.
- lantern fish — any of several small, deep-sea fishes of the family Myctophidae, having rows of luminous organs along each side, certain species of which migrate to the surface at night.
- latchstrings — Plural form of latchstring.
- laureateship — a person who has been honored for achieving distinction in a particular field or with a particular award: a Nobel laureate.
- lisle thread — a fine, high-twisted and hard-twisted cotton thread, at least two-ply, used for hosiery, gloves, etc.
- litholatrous — of or relating to the worship of stones
- make history — do sth of great significance
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- matriarchies — Plural form of matriarchy.
- mechatronics — The synergistic combination of mechanical engineering, electronic engineering and software engineering for the study of automata from an engineering perspective and the control of advanced hybrid systems.
- mediatorship — the position of a mediator
- metachronism — An error in chronological ordering in which a character or an event is placed at too late a time.
- metamorphism — Geology. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, especially when the rock becomes harder and more completely crystalline.
- metamorphist — a member of a group of 16th century Christians who believed that the humanly body of Jesus Christ metamorphosed into God during the Ascension
- metaphrasing — Present participle of metaphrase.
- metaphrastic — a person who translates or changes a literary work from one form to another, as prose into verse.
- metatherians — Plural form of metatherian.
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- mithridatism — the production of immunity against the action of a poison by taking the poison in gradually increased doses.
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd
- near-sighted — seeing distinctly at a short distance only; myopic.
- neurasthenia — Psychiatry. (not in technical use) nervous debility and exhaustion occurring in the absence of objective causes or lesions; nervous exhaustion.
- neurasthenic — pertaining to or suffering from neurasthenia.
- neuropathies — Plural form of neuropathy.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist
- north island — the northernmost principal island of New Zealand. 44,281 sq. mi. (114,690 sq. km).
- octastrophic — having or containing eight verses or strophes
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- ophiolatrous — of, relating to, or practising snake-worshipping
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- oral history — information of historical or sociological importance obtained usually by tape-recorded interviews with persons whose experiences and memories are representative or whose lives have been of special significance.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- panarthritis — arthritis in the entire joint
- paraesthesia — an abnormal sensation, as prickling, itching, etc.