9-letter words containing a, r, i, s, t
- hairstyle — a style of cutting, arranging, or combing the hair; hairdo; coiffure.
- hamstring — (in humans and other primates) any of the tendons that bound the ham of the knee.
- harestail — a species of cotton grass, Eriophorum vaginatum, more tussocky than common cotton grass and having only a single flower head
- harmonist — a member of a celibate religious sect that emigrated from Germany to Pennsylvania in 1803.
- haustoria — a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
- headfirst — with the head in front or bent forward; headforemost: He dived headfirst into the sea.
- heartiest — warm-hearted; affectionate; cordial; jovial: a hearty welcome.
- heartsick — extremely depressed or unhappy.
- heartsink — a patient who repeatedly visits his or her doctor's surgery, often with multiple or non-specific symptoms, and whose complaints are impossible to treat
- herbalist — a person who collects or deals in herbs, especially medicinal herbs.
- heritages — Plural form of heritage.
- hesitater — One who hesitates.
- hesitator — Alternative spelling of hesitater.
- hetaerism — concubinage.
- hetairism — Alternative form of hetaerism.
- hiratsuka — a city in central Honshu, Japan, near Yokohama.
- histadrut — a labor federation in Israel, founded in 1920.
- 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.
- horntails — Plural form of horntail.
- horsetail — Also called scouring rush. any nonflowering plant of the genus Equisetum, having hollow, jointed stems.
- hortensia — Hydrangea.
- hydrastis — goldenseal (def 2).
- idolaters — Plural form of idolater.
- idolators — Plural form of idolator.
- ignorants — Plural form of ignorant.
- imitators — Plural form of imitator.
- immortals — not mortal; not liable or subject to death; undying: our immortal souls.
- inert gas — noble gas.
- ingathers — Third-person singular simple present indicative form of ingather.
- insectary — a laboratory for the study of live insects, their life histories, effects on plants, reaction to insecticides, etc.
- instagram — a photo-sharing application for computers and mobile phones
- installer — to place in position or connect for service or use: to install a heating system; to install software on a computer.
- instanter — immediately; at once.
- instarred — to set with or as if with stars.
- insulator — Electricity. a material of such low conductivity that the flow of current through it is negligible. insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor and electrically isolate it.
- intarsias — Plural form of intarsia.
- intarsist — a person who creates in or practices intarsia.
- integrals — Plural form of integral.
- integrase — (enzyme) Any enzyme that integrates viral DNA into that of an infected cell.
- interacts — Third-person singular simple present indicative form of interact.
- interbase — A commercial active DBMS.
- interdash — to intersperse with hasty strokes of a pen or other writing instrument
- internals — situated or existing in the interior of something; interior.
- intertask — Between tasks.
- intervals — Plural form of interval.
- intranets — Plural form of intranet.
- invertase — an enzyme, occurring in yeast and in the digestive juices of animals, that causes the inversion of cane sugar into invert sugar.
- irateness — The state of being irate.
- irisation — the effect or quality of being iridescent; iridescence.