9-letter words that end in on
- gray iron — pig iron or cast iron having much of its carbon in the form of graphite and exhibiting a gray fracture.
- grivation — grid variation.
- groove on — enjoy, appreciate
- gross ton — the total volume of a vessel, expressed in units of 100 cubic feet (gross ton) with certain open structures, deckhouses, tanks, etc., exempted.
- guncotton — a highly explosive cellulose nitrate, made by digesting clean cotton in a mixture of one part nitric acid and three parts sulfuric acid: used in making smokeless powder.
- gunperson — (rare) A gunman or gunwoman.
- gustation — the act of tasting.
- guttation — a process in which water in liquid form is given off by plants.
- gyrfalcon — a large falcon, Falco rusticolus, of arctic and subarctic regions, having white, gray, or blackish color phases: now greatly reduced in number.
- habergeon — a short, sleeveless coat of mail.
- hackathon — a usually competitive event in which people work in groups on software or hardware projects, with the goal of creating a functioning product by the end of the event: At the hackathon our team produced an app that helps you monitor your sleeping habits.
- hacqueton — an upholstered garment for the upper body worn under chain mail or such a garment covered with chain mail
- half-moon — the ship in which Henry Hudson made his voyage to explore America in 1609.
- halogeton — a poisonous herbaceous plant, native to Siberia, that grows in North America
- hammonton — a town in S New Jersey.
- hanger-on — a person who remains in a place or attaches himself or herself to a group, another person, etc., although not wanted, especially in the hope or expectation of personal gain.
- hangerson — a person who remains in a place or attaches himself or herself to a group, another person, etc., although not wanted, especially in the hope or expectation of personal gain.
- happen on — to take place; come to pass; occur: Something interesting is always happening in New York.
- haycation — A vacation stay on a farm, in which guests often help out with daily farm tasks.
- headcanon — (fandom slang) Elements and interpretations of a fictional universe accepted by an individual fan, but not found within or supported by the official canon.
- heat-moon — William Least [leest] /list/ (Show IPA), (William Trogden) born 1939, U.S. writer.
- heavy ion — the nucleus of a heavy element.
- henderson — Arthur, 1863–1935, British statesman and labor leader: Nobel Peace Prize 1934.
- heraklion — Iraklion
- hexameron — hexaemeron.
- hexathlon — an athletic contest consisting of six different events
- higginson — Thomas Wentworth Storrow [stor-oh] /ˈstɒr oʊ/ (Show IPA), 1823–1911, U.S. clergyman, author, and social reformer.
- high noon — the exact moment of noon.
- hipped on — greatly interested or preoccupied, almost to an irrational extent; obsessed (usually followed by on): He's hipped on learning to play the tuba.
- hipped-on — greatly interested or preoccupied, almost to an irrational extent; obsessed (usually followed by on): He's hipped on learning to play the tuba.
- hojillion — (slang, hyperbole, rare) An unspecified large number (of).
- holliston — a city in NE Massachusetts.
- honeymoon — a vacation or trip taken by a newly married couple.
- hoop iron — iron in the form of thin strips for bonding masonry, holding barrels together, etc.
- hopkinson — Francis, 1737–91, American statesman and satirist.
- hortation — The act of exhorting, inciting, or giving advice; exhortation.
- huskisson — William, 1770–1830, British statesman and financier.
- hutcheson — Francis. 1694–1746, Scottish philosopher: he published books on ethics and aesthetics, including System of Moral Philosophy (1755)
- 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.
- hydrozoon — (zoology) One of the Hydrozoa.
- ice apron — a structure built in a river upstream from a bridge pier or the like for protection against drifting ice.
- ice piton — a type of piton designed for being driven into ice
- ichneumon — Also called African mongoose, Egyptian mongoose. a slender, long-tailed mongoose, Herpestes ichneumon, inhabiting Africa and southern Europe, and believed by the ancient Egyptians to devour crocodile eggs.
- idioticon — a dictionary of dialect
- iguanodon — a plant-eating dinosaur of the genus Iguanodon that lived in Europe early in the Cretaceous Period and grew to a length of from 15 to 30 feet (4.5 to 9 meters) and walked erect on its hind feet.
- imitation — a result or product of imitating.
- immersion — an act or instance of immersing.
- immission — The act of immitting; injection or infusion.
- impaction — an act or instance of impacting.
- impassion — to fill, or affect strongly, with intense feeling or passion; inflame; excite.