16-letter words containing h, o, d, i, n
- 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.
- half-blind joint — a corner dovetail joint visible on one face only.
- hang around with — to associate or socialize with
- hanging wardrobe — a wardrobe containing a rail with a large amount of space underneath, so that clothes can be hung on hangers placed onto the rail
- hard rock mining — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hard times token — any of a series of U.S. copper tokens, issued 1834–41, bearing a political inscription or advertising message and serving as currency during coin shortages.
- health education — education that aims to give people the information they need to live healthily
- heroin addiction — addiction to the drug heroin
- herringbone bond — a brickwork bond in which the exposed brickwork is bonded to the heart of the wall by concealed courses of bricks laid diagonally to the faces of the wall in a herringbone pattern, with the end of each brick butting against the side of the adjoining brick; a form of raking bond.
- heteropalindrome — Something that spells something else when reversed, a semordnilap.
- hexahydroaniline — cyclohexylamine.
- hexanedioic acid — adipic acid.
- higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
- hit one's stride — to walk with long steps, as with vigor, haste, impatience, or arrogance.
- holder condition — Lipschitz condition.
- homogenized milk — milk in which the fat globules are evenly distributed
- honeymoon bridge — any of several varieties of bridge for two players.
- honeymoon period — a period of popularity enjoyed by a new government, or a new occupant of a post
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- 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 cold-working — metalworking at considerable heat but below the temperature at which the metal recrystallizes: a form of cold-working.
- household knight — bachelor (def 5).
- household-knight — an unmarried man.
- housemaid's knee — inflammation of the bursa over the front of the kneecap.
- hudsonian godwit — any of several large, widely distributed shorebirds of the genus Limosa, as the New World L. haemastica (Hudsonian godwit) having a long bill that curves upward slightly.
- 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.
- 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.
- 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.
- hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
- hyperandrogenism — (medicine) An abnormally high production of androgens.
- 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.
- irrigation ditch — trench supplying land with water
- judaeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.