12-letter words containing a, h, n
- coronal hole — a part of the solar corona that appears dark on optical and x-ray images and is characterized by low temperature and low density.
- counter hand — a person who works behind a counter; assistant
- countercharm — an object or action that is capable of destroying a magical charm
- counterearth — (in Pythagorean astronomy) a planet, out of sight from our part of the earth, whose shadow upon the sun and moon, cast by a central fire that is also out of sight, causes the eclipses.
- countermarch — to march or cause to march back along the same route
- countershaft — an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train
- craftmanship — Alternative form of craftsmanship.
- craniography — examination of the skull as depicted by craniographs, photographs, and charts.
- crapehanging — the practice of hanging crape, esp as a sign of mourning
- crepe-hanger — a person who sees the gloomy side of things; pessimist.
- crowned head — a monarch
- curtain hook — a hook used to attach a curtain to a curtain rail
- cyanohydrins — Plural form of cyanohydrin.
- cycloheptane — (organic compound) An alicyclic hydrocarbon, C7H14; a volatile inflammable liquid.
- cyclohexanol — (organic compound) The alicyclic alcohol derived from cyclohexane by replacement of a hydrogen atom with a hydroxyl group.
- cytochalasin — any of a group of metabolites derived from fungus that interfere with cell processes
- daniel shays — Daniel, 1747–1825, American Revolutionary War soldier: leader of a popular insurrection (Shays' Rebellion) in Massachusetts 1786–87.
- daphnephoria — an ancient Greek festival in honor of Apollo.
- data channel — (communications) A channel (on a BRI or PRI line) used to carry control information, to set up connections on the associated bearer channels. The name wasn't too bad back when users were sending voice (not data) over the bearer channels, but in 1997 it's quite a misnomer.
- daughterling — a small daughter
- de havilland — Sir Geoffrey. 1882–1965, British aircraft designer. He produced many military aircraft and the first jet airliners
- death notice — a public announcement, e.g. in a newspaper, that someone has died
- dechlorinate — to remove chlorine from (a substance)
- dehumanising — Present participle of dehumanise.
- dehumanizing — denying or depriving of dignity
- demonography — a treatise on demons.
- detachedness — the quality of being detached or separated
- detectaphone — a device for listening secretly to others' telephone conversations
- diamond head — promontory in SE Oahu, Hawaii, near Honolulu, consisting of the rim of an extinct volcanic crater
- diaphanously — In a diaphanous manner or to a diaphanous extent.
- diathermancy — the property of transmitting infrared radiation
- diazomethane — a yellow odourless explosive gas, used as a methylating agent. Formula: CH2:N:N
- dibranchiate — of, relating to, or belonging to the Dibranchiata, a group or former order of cephalopod molluscs, including the octopuses, squids, and cuttlefish, having two gills
- diencephalic — Of or pertaining to the diencephalon.
- diencephalon — the posterior section of the forebrain.
- diethylamine — (organic compound) The secondary amine (CH3CH2)2NH.
- dilettantish — a person who takes up an art, activity, or subject merely for amusement, especially in a desultory or superficial way; dabbler.
- diminishable — That may be diminished.
- ding an sich — thing-in-itself.
- dining chair — high-backed chair used at dinner table
- disenchanted — to rid of or free from enchantment, illusion, credulity, etc.; disillusion: The harshness of everyday reality disenchanted him of his idealistic hopes.
- disenchanter — One who disenchants.
- disfranchise — to deprive (a person) of a right of citizenship, as of the right to vote.
- dish antenna — an open, relatively shallow container of pottery, glass, metal, wood, etc., used for various purposes, especially for holding or serving food.
- disharmonize — (intransitive) To cause disorder.
- disheartened — to depress the hope, courage, or spirits of; discourage.
- dishonorable — showing lack of honor or integrity; ignoble; base; disgraceful; shameful: Cheating is dishonorable.
- dishonorably — In a dishonorable manner.
- dodecahedron — a solid figure having 12 faces.
- dodecaphonic — musical composition using the 12-tone technique.