13-letter words containing a, d, o
- horseradishes — Plural form of horseradish.
- hot and heavy — having or giving off heat; having a high temperature: a hot fire; hot coffee.
- hotheadedness — The state or characteristic of being hotheaded; the tendency to be easily infuriated or provoked.
- house-trained — housebroken.
- household art — any of the skills necessary to the efficient running of a household, as cooking or keeping a family budget.
- househusbands — Plural form of househusband.
- hub-and-spoke — of or designating a system of air transportation by which local flights carry passengers to one major regional airport where they can board long-distance or other local flights for their final destinations.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- humboldt peak — a mountain in S Colorado, in the Sangre de Cristo range. 14,064 feet (4290 meters).
- 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.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydroairplane — a hydroplane.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydrocephalic — of or relating to hydrocephalus.
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- 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.
- 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.
- hypolipidemia — (medicine) A lower than normal concentration of lipids in the blood.
- hypophloeodal — living or growing beneath bark, as insect larvae.
- iceland poppy — any of various widely cultivated arctic poppies, esp Papaver nudicaule, with white or yellow nodding flowers
- ichthyopsidan — a member of the class Ichthyopsida
- idealizations — Plural form of idealization.
- ideogrammatic — Of or pertaining to ideograms.
- ideographical — Alternative form of ideographic.
- ideologically — of or relating to ideology.
- ides of march — 15th March: ominous date
- idiochromatic — (of a mineral) deriving a characteristic color from its capacity to absorb certain light rays.
- idiomatically — peculiar to or characteristic of a particular language or dialect: idiomatic French.
- idiomaticness — Idiomaticity.
- 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.
- ill-concealed — poorly disguised
- imponderables — Plural form of imponderable.
- in advance of — prior to