16-letter words containing c, h, o, a, d
- hair conditioner — a substance used, often after shampooing, to detangle and improve the condition of the hair. Like shampoo, it is applied to wet hair and then rinsed out after applying.
- hairy woodpecker — a North American woodpecker, Picoides villosus, resembling but larger than the downy woodpecker.
- hard rock mining — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- hardrock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- head post office — the main post office in a town
- health education — education that aims to give people the information they need to live healthily
- heralds' college — a royal corporation in England, instituted in 1483, concerned chiefly with armorial bearings, genealogies, honors, and precedence.
- hermaphroditical — Alternative form of hermaphroditic.
- heroin addiction — addiction to the drug heroin
- hexanedioic acid — adipic acid.
- higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
- hold one's peace — the normal, nonwarring condition of a nation, group of nations, or the world.
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horseback riding — activity: riding a horse
- hot-cathode tube — thermionic tube.
- huffman encoding — Huffman coding
- hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
- 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.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- hydrophyllaceous — belonging to the Hydrophyllaceae, the waterleaf family of plants.
- hydrostatic head — The hydrostatic head is the vertical height of a column of fluid.
- hyperchlorhydria — excessive secretion of hydrochloric acid in the stomach.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- icositetrahedron — a solid figure having 24 faces.
- immethodicalness — Lack of method; the quality of being immethodical.
- 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.
- j. random hacker — (jargon) /J rand'm hak'r/ MIT jargon for a mythical figure; the archetypal hacker nerd. This may originally have been inspired by "J. Fred Muggs", a show-biz chimpanzee whose name was a household word back in the early days of TMRC, and was probably influenced by J. Presper Eckert (one of the co-inventors of the electronic computer). See random, Suzie COBOL.
- john of damascus — Saint, a.d. c675–749, priest, theologian, and scholar of the Eastern Church, born in Damascus.
- 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
- la rochefoucauld — François [frahn-swa] /frɑ̃ˈswa/ (Show IPA), 6th Duc de, 1613–80, French moralist and composer of epigrams and maxims.
- limited monarchy — a monarchy that is limited by laws and a constitution.
- limited-monarchy — a limited train, bus, etc.
- lord chamberlain — (in Britain) the chief official of the royal household
- luck of the draw — the force that seems to operate for good or ill in a person's life, as in shaping circumstances, events, or opportunities: With my luck I'll probably get pneumonia.
- 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
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- methodologically — a set or system of methods, principles, and rules for regulating a given discipline, as in the arts or sciences.
- mönchen-gladbach — city in WC Germany, in the state of North Rhine-Westphalia: pop. 266,000
- moulding machine — a machine for pressing sand into a mould
- non-carbohydrate — any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the supporting tissues of plants and are important food for animals and people.
- off-road vehicle — An off-road vehicle is a vehicle that is designed to travel over rough ground.
- oligosaccharides — Plural form of oligosaccharide.
- orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
- orthoformic acid — a hypothetical acid, HC(OH) 3 , known only in the form of its esters.