17-letter words containing i, d, y
- chemoradiotherapy — (medicine) A combination of chemotherapy and radiotherapy used to treat some cancers.
- chicklet keyboard — (spelling) It's spelled "chiclet keyboard".
- child pornography — pornography using a child or children as the subject.
- cinnamic aldehyde — a yellowish oil, C 9 H 8 O, having a cinnamonlike odor, used chiefly as a scent in the manufacture of flavorings and perfumes.
- citric acid cycle — Krebs cycle.
- collision density — the rate at which collisions are occurring per unit volume per unit time, usually pertaining to the collisions of neutrons in a nuclear reactor.
- colloid chemistry — the study of colloids.
- commodity markets — stock markets in which commodities are traded
- coordinate system — a system of coordinates that uses numbers to represent a point, line, or the like.
- courtship display — behaviour that is aimed at attracting a mate
- cryptic crossword — a crossword where each clue is a word puzzle
- cryptosporidiosis — a disease caused by protozoan parasites of the genus Cryptosporidium, characterized by fever and gastrointestinal symptoms and typically spread via contaminated drinking water.
- cyanogen chloride — a colorless, volatile, poisonous liquid, CNCl, used chiefly in the synthesis of compounds containing the cyano group.
- cylinder capacity — the cylinder volume that is swept by the pistons of an internal-combustion engine
- damon and pythias — two friends noted for their mutual loyalty. Damon offered himself as a hostage for Pythias, who was to be executed for treason by Dionysius of Syracuse. When Pythias returned to save his friend's life, he was pardoned
- deadly nightshade — a poisonous Eurasian solanaceous plant, Atropa belladonna, having dull purple bell-shaped flowers and small very poisonous black berries
- dehydrochlorinase — an enzyme that catalyzes the removal of hydrogen and chlorine atoms or ions from chlorinated hydrocarbons.
- dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
- delay instruction — delayed control-transfer
- demythologization — The act of demythologizing, or something demythologized.
- dendroclimatology — The science that uses dendrochronology to reconstruct historical climate conditions.
- deoxyribonuclease — DNase.
- dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
- desaix de veygoux — Louis Charles Antoine [lwee sharl ahn-twan] /lwi ʃærl ɑ̃ˈtwan/ (Show IPA), 1768–1800, French general.
- descending rhythm — a rhythmic pattern created by the succession of metrical feet each of which is composed of one accented syllable followed by one or more unaccented syllables.
- desoxyribonucleic — Alternative spelling of deoxyribonucleic.
- despotic monarchy — absolute monarchy.
- desynchronisation — (British spelling) Alternative form of desynchronization.
- desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
- deterministically — the doctrine that all facts and events exemplify natural laws.
- dialect geography — linguistic geography
- dialectologically — In terms of dialectology.
- diaphragm pessary — a device for inserting into the vagina to deliver a drug, such as a contraceptive
- diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
- dibutyl phthalate — a colorless oily liquid, C 16 H 22 O 4 , insoluble in water, used as a solvent, insect repellent, and plasticizer.
- dicarboxylic acid — any carboxylic acid that contains two carboxyl groups per molecule
- dictionary attack — an attempt to hack into a computer or network by submitting every word in a dictionary as a possible password
- dictionary-making — the work or activity of compiling dictionaries
- dideoxynucleotide — (biochemistry) Any nucleotide formed from a deoxynucleotide by loss of a second hydroxy group from the deoxyribose group.
- diethylene glycol — a syrupy colorless liquid, C 4 H 10 O 3 , used as a solvent for cellulose nitrate and as a fabric softener.
- diethyltryptamine — a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbreviation: DET.
- differentiability — The ability to be differentiated.
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- dihydromorphinone — a narcotic compound, C 17 H 19 O 3 N, prepared from morphine and used chiefly as an analgesic.
- dimethylformamide — a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO
- dimethylhydrazine — a flammable, highly toxic, and colorless liquid, C 2 H 8 N 2 , used as a component in jet and rocket fuels.
- dimethylsulfoxide — DMSO.
- dionysius exiguus — died a.d. 556? Scythian monk, chronologist, and scholar: devised the current system of reckoning the Christian era.
- diphenylacetylene — tolan.
- diphenylhydantoin — a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.