16-letter words containing p, e, r, i, o
- complex variable — a variable to which complex numbers may be assigned as value.
- composite number — a positive integer that can be factorized into two or more other positive integers
- compressed video — video compression
- compression wave — a shock wave that compresses the medium through which it is transmitted.
- compromise joint — a joint for linking together rails having different sections.
- computer science — the study of computers and their application
- computer studies — a course of study devoted to using and programming computers
- conic projection — a map projection on which the earth is shown as projected onto a cone with its apex over one of the poles and with parallels of latitude radiating from this apex
- contemporariness — existing, occurring, or living at the same time; belonging to the same time: Newton's discovery of the calculus was contemporary with that of Leibniz.
- content provider — A content provider is a company that supplies material such as text, music, or images for use on websites.
- conversation pit — a usually sunken portion of a room or living area with chairs, sofas, etc., often grouped around a fireplace, where people can gather to talk.
- cooperative bank — a cooperative savings institution, chartered and regulated by a state or the federal government, that receives deposits in exchange for shares of ownership and invests its funds chiefly in loans secured by first mortgages on homes.
- cooperative farm — a farm that is run in cooperation with others in the purchasing and using of machinery, stock, etc, and in the marketing of produce through its own institutions (farmers' cooperatives)
- copolymerization — a process resembling polymerization, in which unlike molecules unite in alternate or random sequences in a chain
- copper hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- core description — A core description is a summary of the information about a rock sample, found by core analysis.
- cornet à pistons — a three-valved brass instrument of the trumpet family. Written range: about two and a half octaves upwards from E below middle C. It is a transposing instrument in B flat or A
- cornet-a-pistons — cornet (def 1).
- coroutine pascal — ["Control Separation in Programming languages", Lemon et al, ACM Ann Conf 1977].
- corporate raider — A corporate raider is a person or organization that tries to take control of a company by buying a large number of its shares.
- correcting plate — a thin lens used to correct incoming light rays in special forms of reflecting telescopes.
- counter-petition — a formally drawn request, often bearing the names of a number of those making the request, that is addressed to a person or group of persons in authority or power, soliciting some favor, right, mercy, or other benefit: a petition for clemency; a petition for the repeal of an unfair law.
- counterespionage — Counterespionage is the same as counterintelligence.
- craftspersonship — The body of activities, skills, techniques, knowledge, and expertise pertinent to (a) particular craft(s).
- crime of passion — a crime, often a murder, committed from passion, esp sexual passion
- crime passionnel — a crime committed from passion, esp sexual passion
- crime prevention — official and police policies to prevent crime
- cross protection — the protection against a viral infection given to a plant by its prior inoculation with a related but milder virus
- crossopterygians — Plural form of crossopterygian.
- cryoprecipitates — Plural form of cryoprecipitate.
- cryopreservation — the storage of blood or living tissues at extremely cold temperatures, often -196 degrees Celsius.
- cupric hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- customer profile — a description or analysis of a typical or ideal customer for one's business
- dangling pointer — (programming) A reference that doesn't actually lead anywhere. In C and some other languages, a pointer that doesn't actually point at anything valid. Usually this happens because it formerly pointed to something that has moved or disappeared, e.g. a heap-allocated block which has been freed and reused. Used as jargon in a generalisation of its technical meaning; for example, a local phone number for a person who has since moved is a dangling pointer.
- data compression — the act of compressing.
- data preparation — the process of converting data or information into a form that can be read by a computer, so that the data can then be entered into the computer
- dc potentiometer — A DC potentiometer is a potentiometer in which the supply is a battery and the balance is under direct current conditions.
- decision problem — (theory) A problem with a yes/no answer. Determining whether some potential solution to a question is actually a solution or not. E.g. "Is 43669" a prime number?". This is in contrast to a "search problem" which must find a solution from scratch, e.g. "What is the millionth prime number?". See decidability.
- decision support — Software used to aid management decision making, typically relying on a decision support database.
- deflationary gap — a situation in which total spending in an economy is insufficient to buy all the output that can be produced with full employment
- dementia praecox — schizophrenia
- democratic party — (in the US) the older and more liberal of the two major political parties, so named since 1840
- depolymerisation — (chemistry) alternative spelling of depolymerization.
- depolymerization — (chemistry) The decomposition of a polymer into smaller fragments.
- depression glass — cheap glassware mass-produced during the Depression of the 1930s, usually molded in patterns in pale colors, and collectible since the early 1970s
- depressurization — to remove the air pressure from (a pressurized compartment of an aircraft or spacecraft).
- depth perception — ability to see objects in perspective
- developing world — Third World: poor countries
- devonshire split — a kind of yeast bun split open and served with whipped cream or butter and jam
- dew-point spread — the degrees of difference between the air temperature and the dew point