15-letter words containing a, r, n, d
- haute-normandie — a region of NW France, on the English Channel: generally fertile and flat
- have a derry on — to have a prejudice or grudge against
- hay conditioner — either of two machines, one designed to crush stems of hay, the other to break and bend them, in order to cause more rapid and even drying
- hazard analysis — risk assessment
- hearing ear dog — a dog that has been trained to alert a hearing-impaired person to sounds, as a telephone ringing or dangerous noises.
- hearing-ear dog — a dog that has been trained to alert a hearing-impaired person to sounds, as a telephone ringing or dangerous noises.
- heart condition — cardiac disorder
- heart tamponade — tamponade (def 2).
- hearth and home — domestic realm
- hebrew calendar — the lunisolar calendar used by Jews, as for determining religious holidays, that is reckoned from 3761 b.c. and was established by Hillel II in the 4th century a.d., the calendar year consisting of 353 days (defective year) 354 days (regular year) or 355 days (perfect year or abundant year) and containing 12 months: Tishri, Heshvan, Kislev, Tevet, Shevat, Adar, Nisan, Iyar, Sivan, Tammuz, Av, and Elul, with the 29-day intercalary month of Adar Sheni added after Adar seven times in every 19-year cycle in order to adjust the calendar to the solar cycle. The Jewish ecclesiastical year begins with Nisan and the civil year with Tishri.
- hemadynamometer — An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury.
- henry cavendish — Henry, 1731–1810, English chemist and physicist.
- herbal medicine — the use of herbs to treat illness
- hereditarianism — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- hereditarianist — a person who believes in the doctrine of hereditarianism
- hernando cortes — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- hernando cortez — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- hole-and-corner — secretive; clandestine; furtive: The political situation was full of hole-and-corner intrigue.
- hook and ladder — a fire engine, usually a tractor-trailer, fitted with long, extensible ladders and other equipment.
- horned oak gall — a small, round tumor, formed around wasp eggs laid in the branches of a pin oak tree, that disrupts the flow of nutrients to the tree, with consequent defoliation and death.
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- hundred's place — hundred (def 8).
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- 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
- 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.
- hydromechanical — Of or pertaining to hydromechanics.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperventilated — Simple past tense and past participle of hyperventilate.
- hypochondriacal — 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.
- hypochondriases — Plural form of hypochondriasis.
- hypochondriasis — 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.
- hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
- identical rhyme — rhyme created by the repetition of a word.
- identity matrix — a matrix that has 1 in each position on the main diagonal and 0 in all other positions.
- identity papers — law: legal documents
- identity parade — law: police lineup
- idiosyncratical — Alternative form of idiosyncratic.
- immunoadsorbent — immunosorbent.
- immunomodulator — a substance that affects the functioning of the immune system
- imponderability — The state or characteristic of being imponderable.
- in pari delicto — in equal fault; equally culpable or blameworthy.
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.