9-letter words containing i, r, h
- hydramide — (organic compound) One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.
- hydramine — an amine derived from a glycol in which one hydroxyl is replaced by an amino group.
- hydrastis — goldenseal (def 2).
- hydrating — Present participle of hydrate.
- 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.
- hydraulic — operated by, moved by, or employing water or other liquids in motion.
- hydrazide — (chemistry) any compound derived from an oxoacid by replacing the hydroxide group with -NHNH2 or derived forms -NRNR2.
- hydrazine — Also called diamine. a colorless, oily, fuming liquid, N 2 H 4 , that is a weak base in solution and forms a large number of salts resembling ammonium salts: used chiefly as a reducing agent and a jet-propulsion fuel.
- hydrazoic — noting or pertaining to hydrazoic acid; triazoic.
- hydriodic — of or derived from hydriodic acid.
- hydro-ski — a hydrofoil attached to a seaplane to aid in takeoffs and landings.
- hydrofoil — Naval Architecture. a surface form creating a thrust against water in a direction perpendicular to the plane approximated by the surface.
- hydrolize — (intransitive) To undergo hydrolization.
- hydronium — (inorganic chemistry) the hydrated hydrogen ion, H3O+.
- hydroptic — (formerly) edema.
- hydroxide — a chemical compound containing the hydroxyl group.
- hygristor — an electronic component the resistance of which varies with humidity
- hygrodeik — A form of hygrometer having wet and dry bulb thermometers, with an adjustable index showing the percentage of moisture in the air, etc.
- hyperacid — Highly acidic.
- hyperarid — being without moisture; extremely dry; parched: arid land; an arid climate.
- hyperemia — an abnormally large amount of blood in any part of the body.
- hyperemic — an abnormally large amount of blood in any part of the body.
- hyperfine — Extremely fine, especially of the hyperfine structure in the spectra of atoms and molecules.
- hypericin — an antidepressant and antiviral compound derived from Saint John's wort
- hypericum — A yellow-flowered plant of a genus that includes the St. John’s worts and rose of Sharon.
- hyperlink — hypertext link
- hypermile — to improve fuel mileage in a motor vehicle, as by adopting certain driving techniques or making design alterations to the vehicle.
- hyperopia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hyperopic — Farsighted; of, having, or pertaining to hyperopia.
- hyperoxia — (pathology) A condition caused by an excess of oxygen in tissues and organs.
- hyperoxic — Of, pertaining to, or exhibiting hyperoxia.
- hypobaric — (of an anesthetic) having a specific gravity lower than that of cerebrospinal fluid. Compare hyperbaric (def 1).
- hypocrism — (obsolete) hypocrisy.
- hypocrisy — a pretense of having a virtuous character, moral or religious beliefs or principles, etc., that one does not really possess.
- hypocrite — a person who feigns some desirable or publicly approved attitude, especially one whose private life, opinions, or statements belie his or her public statements.
- hyporheic — Denoting an area or ecosystem beneath the bed of a river or stream that is saturated with water and that supports invertebrate fauna which play a role in the larger ecosystem.
- hypotrich — any ciliate of the suborder Hypotricha, having cilia chiefly on the ventral surface.
- hyrcanian — an ancient province of the Persian empire, SE of the Caspian Sea.
- hysterics — Usually, hysterics. a fit of uncontrollable laughter or weeping; hysteria.
- hysteroid — resembling hysteria.
- ibn rushd — Arabic name of Averroës.
- ibn-rushd — Averroës
- ideograph — an ideogram.
- idiograph — a mark or signature characteristic of a particular person, organization, etc.; trademark. Compare logotype (def 2).
- ill humor — a disagreeable or surly mood.
- imambarah — a building, rooms, etc., used by Shiʿites for ceremonies, especially during the first 10 days of Muharram.
- in charge — to impose or ask as a price or fee: That store charges $25 for leather gloves.
- in chorus — Music. a group of persons singing in unison. (in an opera, oratorio, etc.) such a group singing choral parts in connection with soloists or individual singers. a piece of music for singing in unison. a part of a song that recurs at intervals, usually following each verse; refrain.
- in theory — in principle
- in-thrall — to captivate or charm: a performer whose grace, skill, and virtuosity enthrall her audiences.