15-letter words containing hy
- gaia hypothesis — a model of the earth as a self-regulating organism, advanced as an alternative to a mechanistic model.
- hair hygrometer — a hygrometer actuated by the changes in length of a strand of human hair brought about by changes in the relative humidity.
- have itchy feet — to be restless; have a desire to travel
- hematoporphyria — porphyria.
- hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
- hemicryptophyte — any perennial plant that bears its overwintering buds at soil level, where they are often partly covered by surface debris
- hexahydrothymol — menthol.
- histophysiology — the branch of physiology dealing with tissues.
- hootchy-kootchy — cooch.
- house physician — a house officer working in a medical as opposed to a surgical discipline
- human geography — the study of the interaction between human beings and their environment in particular places and across spatial areas.
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hybrid antibody — a synthetic antibody that is able to combine with two different antigens
- hybrid computer — a computer system containing both analog and digital hardware.
- hydraulic brake — a brake operated by fluid pressures in cylinders and connecting tubular lines.
- hydraulic fluid — a fluid, usually of low viscosity, as oil, used in a hydraulic system.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
- hydrobiological — of or relating to hydrobiology
- hydrodynamicist — a specialist in hydrodynamics.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrogen iodide — a colorless gas, HI, having a suffocating odor: the anhydride of hydriodic acid.
- hydromechanical — Of or pertaining to hydromechanics.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hydropathically — in a hydropathic manner; in a manner relating to hydropathy
- hydrostatically — In a hydrostatic manner.
- hydrosulphurous — relating to or derived from hydrosulphurous acid
- hydroxonium ion — a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion
- hydroxybutyrate — (chemistry) any salt or ester of hydroxybutyric acid, but especially of gamma-hydroxybutyric acid.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hydroxylapatite — Alternative spelling of hydroxyapatite.
- hyetometrograph — an instrument used to record rainfall
- hygroscopically — In a hygroscopic way.
- hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
- hyper-emotional — pertaining to or involving emotion or the emotions.
- hyper-energetic — possessing or exhibiting energy, especially in abundance; vigorous: an energetic leader.
- hyperactivation — (biology) A form of sperm motility associated with active beating of the flagellum.
- hyperactiveness — The state or quality of being hyperactive.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperaggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- hyperanakinesia — abnormally active mechanical movement, especially of the stomach or intestine.
- hyperbolic sine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; sinh
- hypercalcinuria — Condition of high levels of calcium in the urine as caused by high levels of bone resorption seen in osteoporosis or hyperthyroidism.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hypercatalectic — (of a line of verse) containing an additional syllable after the last dipody or foot. Compare acatalectic (def 2), catalectic.
- hypercoagulable — related to excessive coagulation of the blood or blood clots
- hypercorrection — the substitution, in an inappropriate context, of a pronunciation, grammatical form, or usage thought by the speaker or writer to be appropriate, resulting usually from overgeneralizing in an effort to replace seemingly incorrect forms with correct ones, as the substitution of between you and I for between you and me, by analogy with you and I as the subject of a sentence.
- hypercritically — In a hypercritical manner.
- hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
- hyperexcitement — excessive or extreme excitement