16-letter words containing h, o, d, i
- huffman encoding — Huffman coding
- hummingbird moth — hawk moth.
- hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
- hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydrobromic acid — a colorless or faintly yellow corrosive liquid, HBr, an aqueous solution of hydrogen bromide.
- hydrocyanic acid — a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
- hydroelectricity — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- hydrogen bromide — a colorless gas, HBr, having a pungent odor: the anhydride of hydrobromic acid.
- hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- hydrogen sulfide — a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.
- hydrologic cycle — the natural sequence through which water passes into the atmosphere as water vapor, precipitates to earth in liquid or solid form, and ultimately returns to the atmosphere through evaporation.
- hydrostatic head — The hydrostatic head is the vertical height of a column of fluid.
- hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
- hyperandrogenism — (medicine) An abnormally high production of androgens.
- hyperchlorhydria — excessive secretion of hydrochloric acid in the stomach.
- hyperlipoidaemia — Alt form hyperlipoidemia.
- hypoaeolian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E, with the final on A.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- hypsilophodontid — An informal grouping of small ornithopod dinosaurs, regarded as fast, herbivorous bipeds on the order of 1\u20132 meters long (3.3-6.6 feet).
- icositetrahedron — a solid figure having 24 faces.
- immethodicalness — Lack of method; the quality of being immethodical.
- in the middle of — at the centre of
- in the shadow of — very close to; verging upon
- indian meal moth — a small pyralid moth, Plodia interpunctella, whose larvae are an important pest of stored cereals.
- invisible shadow — (in architectural shades and shadows) a three-dimensional space occupied by the shadow projected by a solid and within which a surface is in shadow.
- iridochoroiditis — inflammation of the iris and the choroid.
- irrigation ditch — trench supplying land with water
- isophthalic acid — a colorless, crystalline, slightly water-soluble solid, C 8 H 6 O 2 , the meta isomer of phthalic acid: used chiefly in the manufacture of resins and plasticizers.
- judaeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- kurdaitcha shoes — (in certain Central Australian Aboriginal tribes) the emu-feather shoes worn by the kurdaitcha on his mission so that his footsteps may not be traced
- light adaptation — the reflex adaptation of the eye to bright light, consisting of an increase in the number of functioning cones, accompanied by a decrease in the number of functioning rods (opposed to dark adaptation).
- limited monarchy — a monarchy that is limited by laws and a constitution.
- limited-monarchy — a limited train, bus, etc.
- lithium chloride — a white, water-soluble, deliquescent, crystalline solid, LiCl, used chiefly in the manufacture of mineral water, especially lithia water, and as a flux in metallurgy.
- lithium fluoride — a fine, white, slightly water-soluble powder, LiF, used chiefly in the manufacture of ceramics.
- live on the edge — take risks
- lobe-finned fish — any fish that has rounded scales and lobed fins, as the coelacanth.
- long-established — having a long history; old
- lord chamberlain — (in Britain) the chief official of the royal household
- lord howe island — an island in the S Pacific, E of Australia: a dependency of New South Wales. 5 sq. mi. (13 sq. km).
- machado de assiz — Joaquim Maria [zhaw-ah-kim mah-ree-ah] /ˈʒɔ ɑ kɪm mɑˈri ɑ/ (Show IPA), 1839–1908, Brazilian writer.
- machine moulding — the process of making moulds and cores for castings by mechanical means, usually by compacting the moulding sand by vibration instead of by ramming down
- mahmud of ghazni — a.d. 971?–1030, Muslim Amir of Ghazni 997–1030.
- mail-order house — a retail firm that conducts its business by receiving orders and shipping its merchandise through the mail and that supplies its customers with catalogs, circulars, etc.
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- medieval history — the branch of history dealing with the Middle Ages
- mercury chloride — mercuric chloride