9-letter words containing a, r, n, o
- hollander — John, 1929–2013, U.S. poet and critic.
- honeytrap — A stratagem in which irresistible bait is used to lure a victim.
- honorable — in accordance with or characterized by principles of honor; upright: They were all honorable men.
- honorably — in accordance with or characterized by principles of honor; upright: They were all honorable men.
- honoraria — a payment in recognition of acts or professional services for which custom or propriety forbids a price to be set: The mayor was given a modest honorarium for delivering a speech to our club.
- honourary — Misspelling of honorary.
- hooraying — Present participle of hooray.
- horizonal — relating to the horizon
- hornbeams — Plural form of hornbeam.
- horntails — Plural form of horntail.
- hornwrack — a yellowish bryozoan or sea mat sometimes found on beaches after a storm
- hornyhead — species of fish
- hortation — The act of exhorting, inciting, or giving advice; exhortation.
- hortensia — Hydrangea.
- hour hand — the hand that indicates the hours on a clock or watch.
- hurricano — (obsolete) A waterspout; a hurricane.
- 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.
- hydrazone — any of a class of compounds containing the group >C=NNH 2 .
- hydrolant — an urgent warning of navigational dangers in the Atlantic Ocean, issued by the U.S. Navy Hydrographic Office.
- hydronaut — a person trained to work in deep-sea vessels for research and rescue purposes.
- hydrovane — a vane on a seaplane conferring stability on water (a sponson) or facilitating take off (a hydrofoil)
- hydrozoan — any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.
- hypernova — (astronomy) The gravitational collapse of a massive star to form a black hole.
- iatrogeny — a disease caused by medical intervention or treatment
- ice apron — a structure built in a river upstream from a bridge pier or the like for protection against drifting ice.
- ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- ignoramus — an extremely ignorant person.
- ignorance — the state or fact of being ignorant; lack of knowledge, learning, information, etc.
- ignorants — Plural form of ignorant.
- iminourea — guanidine.
- important — of much or great significance or consequence: an important event in world history.
- in a word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- in accord — agreeing
- in favour — If you are in favour of something, you support it and think that it is a good thing.
- in reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- inamorata — a woman who loves or is loved; female sweetheart or lover.
- inamorato — a man who loves or is loved; male sweetheart or lover.
- incourage — Archaic form of encourage.
- incubator — an apparatus in which eggs are hatched artificially.
- indagator — to investigate; research.
- indeavors — Plural form of indeavor.
- indeavour — Archaic form of endeavour.
- indicator — a person or thing that indicates.
- informant — a person who informs or gives information; informer.
- infractor — to break, violate, or infringe (a law, commitment, etc.).
- infusoria — Irregular plural form of infusorium.
- inhabitor — One who inhabits.
- inhalator — an apparatus designed to mix carbon dioxide and oxygen, especially for use in artificial respiration.
- inharmony — Lack of harmony.
- initiator — SCSI initiator