15-letter words containing a, l, i, o
- countervailable — able to counteract or offset as equivalent
- county palatine — the lands of a count palatine
- court of claims — (in the US) a court that hears claims against the federal government
- covaledictorian — A graduating student who shares the position of valedictorian with another student.
- cracked gas oil — Cracked gas oil is a gas oil which is formed as one of the products of a gas reaction.
- crawling horror — (jargon) Ancient crufty hardware or software that is kept obstinately alive by forces beyond the control of the hackers at a site. Like dusty deck or gonkulator, but connotes that the thing described is not just an irritation but an active menace to health and sanity. "Mostly we code new stuff in C, but they pay us to maintain one big Fortran II application from nineteen-sixty-X that's a real crawling horror." Compare WOMBAT.
- cricopharyngeal — of, relating to, or involving the cricoid cartilage and the pharynx.
- criminal record — a list of a person's criminal convictions
- criminalisation — (chiefly, British) Alternative form of criminalization.
- criminalization — to make punishable as a crime: To reduce the graffiti on subway cars, he wants to criminalize the selling of spray paint to minors.
- crimson rosella — an Australian parrot, Platycercus elegans, often kept as a cage bird
- critical period — a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards
- critical region — that part of a statistical distribution in which the probability of a given hypothesis is less than the chosen significance level, so that the hypothesis would be rejected
- critical volume — the volume occupied by one mole or unit mass of a substance in its critical state
- crocodile tears — If someone is crying crocodile tears, their tears and sadness are not genuine or sincere.
- cross-pollinate — to subject or be subjected to cross-pollination
- crossfunctional — Spanning several functions.
- crossing patrol — a person who holds up the traffic so that school children can cross the road safely
- crustaceologist — One who studies crustaceology.
- cryptographical — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- crystalliferous — producing or containing crystals
- crystallisation — (British) alternative spelling of crystallization.
- crystallization — Crystallization is the process in which crystals are formed either from something that has been melted or from a solution.
- culturalization — to expose or subject to the influence of culture.
- cum grano salis — with a grain of salt; not too literally
- curiosity value — value arising from rarity or strangeness rather than intrinsic worth
- curl one's hair — to form into coils or ringlets, as the hair.
- cushion capital — a capital, used in Byzantine, Romanesque, and Norman architecture, in the form of a bowl with a square top
- cyanoethylation — the act of introducing a cyano-ethyl group into a compound
- cyclical stocks — shares which are highly sensitive to the business cycle and affected by the performance of the economy
- cycling holiday — a holiday in which one cycles between destinations
- cyclobenzaprine — A particular antidepressant generally prescribed as an analgesic and muscle relaxant.
- cyclohexylamine — a highly toxic and hazardous organic chemical derived from cyclohexane
- cycloneolignane — (organic chemistry) Any neolignane having an additional ring.
- cyclopentadiene — a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar: used in the manufacture of plastics and insecticides. Formula: C5H6
- cytogenetically — (medicine, biology) By means or in terms of cytogenetics, the genetics of the cell.
- cytomegalovirus — a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromised
- cytoplasmically — by means of a cytoplasm
- czechoslovakian — Czechoslovakian means the same as Czechoslovak.
- daffodil yellow — a bright yellow colour
- data collection — the process of gathering information or data
- de broglie wave — a hypothetical wave associated with the motion of a particle of atomic or subatomic size that describes effects such as the diffraction of beams of particles by crystals.
- dead on arrival — dead before reaching hospital
- deagglomeration — Deagglomeration is the process of breaking up agglomerates.
- deal someone in — to occupy oneself or itself (usually followed by with or in): Botany deals with the study of plants. He deals in generalities.
- dealer's choice — a card game, as poker, in which the dealer decides what particular game is to be played, often depending on the number of players, and designates any special variations or unusual rules, including setting the stakes.
- decalcification — the act or process of decalcifying.
- decarboxylation — the removal or loss of a carboxyl group from an organic compound
- decasualization — the replacement of casual workers by permanent employees
- deception table — a table of the 18th century made so as to conceal its true function, as in serving as a cabinet for a chamber pot.