13-letter words containing n, o, a, h
- 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).
- 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.
- hymenopterans — Plural form of hymenopteran.
- hymenorrhaphy — (medicine) Reconstructive surgery in which a woman's hymen is restored to the unbroken condition ordinarily characteristic of virginity.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hypermutation — (uncountable) Frequent mutation.
- hypernephroma — Renal cell carcinoma.
- hyperpersonal — Very highly personal.
- hyperrational — characterized by excessive rationality
- hyperromantic — extremely or excessively romantic
- hyphenization — the act or use of hyphenation
- hypnoanalysis — a method of psychoanalysis in which a patient is put into hypnosis in an attempt to secure analytic data, free associations, and early emotional reactions.
- hypo-chondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hypobranchial — situated below the gills or beneath the branchial arches.
- hypochondriac — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
- hypohydration — Dehydration.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hyponymically — In a hyponymic way.
- hypostatizing — Present participle of hypostatize.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- hypoventilate — (intransitive) To undergo hypoventilation.
- hysteranthous — relating to a plant whose flowers open before its leaves
- iceman cometh — a play (1946) by Eugene O'Neill.
- ichthyofaunal — relating to ichthyofauna
- ichthyopsidan — a member of the class Ichthyopsida
- iconographies — Plural form of iconography.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- in good faith — accordance with standards of honesty, trust, sincerity, etc. (usually preceded by in): If you act in good faith, he'll have no reason to question your motives.
- in good hands — in protective care
- in good shape — person: fit, healthy
- in order that — used to introduce a clause of purpose
- in the act of — while committing: crime, transgression
- in the pay of — If you say that someone is in the pay of a certain person or group, you disapprove of the fact that they are being paid by and are working for that person or group, often secretly or illegally.
- in the way of — similar to, like
- infant school — In Britain, an infant school is a school for children between the ages of five and seven.
- inhabitations — Plural form of inhabitation.
- inharmonicity — the quality of being inharmonic
- inhospitality — lack of hospitality; inhospitable attitude toward or treatment of visitors, guests, etc.
- inner harbour — a part of a harbour which is further inland
- interchondral — of or relating to cartilage or a cartilage.
- into thin air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.