13-letter words containing h, i, n, y
- hardenability — The quality or degree of being hardenable.
- hasty pudding — New England. cornmeal mush.
- heavenly city — the abode of God and His saints; heaven. Rev. 21:2.
- heavy lifting — hard work: A team of researchers did the heavy lifting for the author.
- heavy petting — Informal. intense petting that involves mutual stimulation of the genitals but not sexual intercourse.
- helminthology — the scientific study of worms, especially of parasitic worms.
- hemp agrimony — a European composite plant, Eupatorium cannabinum, having dull purplish flowers.
- herd immunity — the immunity or resistance to a particular infection that occurs in a group of people or animals when a very high percentage of individuals have been vaccinated or previously exposed to the infection.
- herniorrhaphy — correction of a hernia by a suturing procedure.
- heterogeneity — the quality or state of being heterogeneous; composition from dissimilar parts; disparateness.
- highly strung — person: tense, sensitive
- holy alliance — a league formed by the principal sovereigns of Europe in 1815 with the professed object of promoting Christian brotherhood but the practical object of repressing democratic revolutions and institutions. The English and Turkish rulers and Pope Pius VII did not join the league.
- honey gilding — gilding of ceramics with a mixture of gold leaf and honey, later fired to fix the gold.
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- honorifically — In a honorific manner.
- honourability — A state or condition or being honourable.
- horizontality — at right angles to the vertical; parallel to level ground.
- humiliatingly — lowering the pride, self-respect, or dignity of a person; mortifying: Such a humiliating defeat was good for his overblown ego.
- hyacinth bean — an Old World tropical vine, Dolichos lablab, of the legume family, having purple or white flowers and black or white seeds in a papery, beaked pod.
- hyalinization — a condition in which normal tissue deteriorates into a homogeneous, translucent material.
- hyaluronidase — Biochemistry. a mucolytic enzyme found in the testes, in snake venom, and in hemolytic streptococci and certain other bacteria, that decreases the viscosity of the intercellular matrix by breaking down hyaluronic acid.
- hybridisation — Alternative form of hybridization.
- hybridization — to cause to produce hybrids; cross.
- hydraulicking — a type of mining that uses water to move rock
- hydroairplane — a hydroplane.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydrofracking — 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.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenizing — Present participle of hydrogenize.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hydronium ion — the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.
- hydroxide ion — the anion OH−.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hyperbolising — to use hyperbole; exaggerate.
- hypercinnabar — (mineral) A form of cinnabar that forms hexagonal crystals.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hyperimmunity — the state of being immune from or insusceptible to a particular disease or the like.
- hyperimmunize — to render highly immunized
- hyperinflated — to subject to hyperinflation: hyperinflated prices.
- hypermagnetic — (physics) Extremely magnetic.
- hypermutation — (uncountable) Frequent mutation.
- hypernatremia — an abnormally high concentration of sodium in the blood.
- hyperphrygian — (in ancient Greek music) of a principle mode found between the hyperlydian and the hypolydian