9-letter words containing i, a, t, r, o
- garroting — a method of capital punishment of Spanish origin in which an iron collar is tightened around a condemned person's neck until death occurs by strangulation or by injury to the spinal column at the base of the brain.
- gittarone — an acoustic bass guitar
- gladiator — (in ancient Rome) a person, often a slave or captive, who was armed with a sword or other weapon and compelled to fight to the death in a public arena against another person or a wild animal, for the entertainment of the spectators.
- goslarite — hydrated zinc sulphate
- gradation — any process or change taking place through a series of stages, by degrees, or in a gradual manner.
- granitoid — resembling or having the texture of granite.
- granolith — a composition stone for pavements, made from crushed granite or the like and cement.
- gravitino — the hypothetical fermionic partner of the graviton, predicted by the supergravity extension of Einstein's theory of general relativity.
- gravitons — Plural form of graviton.
- grivation — grid variation.
- gyrations — Plural form of gyration.
- hailstorm — a storm with hail.
- haircloth — cloth of hair from the manes and tails of horses, woven with a cotton warp, and used for interlinings of clothes, upholstery, etc.
- hariolate — to practise divination or to prophesy
- harmonist — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- harmonite — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- hatinator — a small decorative hat, worn on social occasions
- haustoria — a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
- haworthia — any of various succulent plants of the genus Haworthia, native to South Africa, having densely overlapping, often warty leaves clustered in rosettes.
- hesitator — Alternative spelling of hesitater.
- hierocrat — a person who believes in government by religious leaders
- histogram — a graph of a frequency distribution in which rectangles with bases on the horizontal axis are given widths equal to the class intervals and heights equal to the corresponding frequencies.
- historian — an expert in history; authority on history.
- holarctic — belonging or pertaining to a geographical division comprising the Nearctic and Palearctic regions.
- horiatiki — a traditional Greek salad consisting of tomatoes, cucumber, onion, olives, and feta cheese
- horntails — Plural form of horntail.
- horsetail — Also called scouring rush. any nonflowering plant of the genus Equisetum, having hollow, jointed stems.
- hortation — The act of exhorting, inciting, or giving advice; exhortation.
- hortative — hortatory.
- hortensia — Hydrangea.
- hydration — any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 SO 4 , it is strongly held as water of constitution.
- iatrogeny — a disease caused by medical intervention or treatment
- iatrology — Medical science.
- iceboater — a person who races iceboats, especially as a hobby or in competition.
- idiolatry — Autolatry, or self worship.
- idolaters — Plural form of idolater.
- idolators — Plural form of idolator.
- idolatory — Misspelling of idolatry.
- ignorants — Plural form of ignorant.
- imitators — Plural form of imitator.
- immolator — One who offers in sacrifice.
- immortals — not mortal; not liable or subject to death; undying: our immortal souls.
- imperator — an absolute or supreme ruler.
- important — of much or great significance or consequence: an important event in world history.
- inamorata — a woman who loves or is loved; female sweetheart or lover.
- inamorato — a man who loves or is loved; male sweetheart or lover.
- incubator — an apparatus in which eggs are hatched artificially.
- indagator — to investigate; research.
- indicator — a person or thing that indicates.
- informant — a person who informs or gives information; informer.