13-letter words containing a, d, r, y
- 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.
- hydrofracture — (geology) Rock fracture caused by the pressure of freezing water.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- 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.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperdactylia — the presence of extra fingers or toes.
- hyperinflated — to subject to hyperinflation: hyperinflated prices.
- 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.
- 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.
- ideal crystal — a crystal in which there are no defects or impurities
- identity card — a card for identifying the bearer, giving name, address, and other personal data.
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- inadvertently — unintentional: an inadvertent insult.
- indescribably — not describable; too extraordinary for description: a scene of indescribable confusion; indescribable euphoria.
- indeterminacy — the condition or quality of being indeterminate; indetermination.
- injured party — victim
- intercondylar — Anatomy. the smooth surface area at the end of a bone, forming part of a joint.
- interdentally — Between the teeth.
- intradermally — within the dermis.
- jail delivery — a liberation of persons from prison, especially by force.
- jefferson day — April 13, Thomas Jefferson's birthday, a legal holiday in Alabama, sometimes celebrated by the Democratic Party by the holding of fund-raising dinners.
- kindheartedly — In a kindhearted manner.
- lady mayoress — the wife of a lord mayor
- land registry — In Britain, a land registry is a government office where records are kept about each area of land in a country or region, including information about who owns it.
- landed gentry — land-owning class
- landing party — a component of a ship's company detached for special duty ashore.
- laundry-woman — laundress.
- libyan desert — a desert in N Africa, in E Libya, W Egypt, and NW Sudan, W of the Nile: part of the Sahara. About 650,000 sq. mi. (1,683,500 sq. km).
- lipid bilayer — a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward and the hydrophilic phosphate ends facing outward.
- lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- lying-in ward — a room where women were confined in childbirth
- lysergic acid — a crystalline solid, C 16 H 16 N 2 O 2 , obtained from ergot or synthesized: used in the synthesis of LSD.
- macrodynamics — Large-scale dynamics.
- madame bovary — a novel (1857) by Gustave Flaubert.
- madder family — the large plant family Rubiaceae, characterized by herbaceous plants, trees, and shrubs having simple, opposite, or whorled leaves, usually four- or five-lobed flowers, and fruit in the form of a berry, capsule, or nut, and including the gardenia, madder, partridgeberry, and shrubs and trees that are the source of coffee, ipecac, and quinine.
- madhya bharat — a former state of central India; now included in Madhya Pradesh.
- malted barley — barley that has been kiln-dried after it has germinated by soaking in water
- mammary gland — any of the compound accessory reproductive organs of female mammals that occur in pairs on the chest or ventral surface and contain milk-producing lobes with ducts that empty into an external nipple, becoming functional when young are born and secreting milk for the duration of suckling.
- many-coloured — having many colours
- mark my words — If you say 'mark my words' to someone, you are emphasizing that something you have just warned them about is very likely to happen, especially when you think they should change their attitude or behaviour to prevent it.
- matagorda bay — a bay in SE Texas, at the mouth of the Colorado River, separated from the Gulf of Mexico by the Matagorda Peninsula. About 50 miles (80 km) long.