16-letter words containing a, h, i, n, d
- 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-and-run raid — a raid relying on surprise allied to a rapid departure from the scene of operations for the desired effect
- 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
- 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
- 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.
- hydrated alumina — a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydraulic cement — cement that can solidify under water.
- hydraulic mining — placer mining using a pressurized stream of water.
- 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 cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- 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 .
- icositetrahedron — a solid figure having 24 faces.
- immethodicalness — Lack of method; the quality of being immethodical.
- in the ascendant — If someone or something is in the ascendant, they have or are getting more power, influence, or popularity than other people or things.
- in the shadow of — very close to; verging upon
- indecency charge — an accusation of committing indecency
- 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.
- kingfisher daisy — a bushy southern African plant, Felicia bergerana, having grasslike leaves and solitary, bright-blue flowers.
- knuckle sandwich — a punch in the mouth with a clenched fist.
- leap in the dark — to spring through the air from one point or position to another; jump: to leap over a ditch.
- lesser sanhedrin — Sanhedrin (def 2).
- lewis and harris — the northernmost island of the Hebrides, in NW Scotland. 825 sq. mi. (2135 sq. km).
- 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).
- lightheartedness — carefree; cheerful; merry: a lighthearted laugh.
- limited monarchy — a monarchy that is limited by laws and a constitution.
- limited-monarchy — a limited train, bus, etc.
- living daylights — having life; being alive; not dead: living persons.
- 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).
- 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
- machine readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- machine-readable — of or relating to data encoded on an appropriate medium and in a form suitable for processing by computer.
- mahmud of ghazni — a.d. 971?–1030, Muslim Amir of Ghazni 997–1030.