19-letter words containing o, c, t, f
- comminuted fracture — a fracture in which the bone is splintered or fragmented
- communion of saints — the spiritual fellowship of all true Christians, living and dead
- communist manifesto — a political pamphlet written by Marx and Engels in 1848: a fundamental statement of Marxist principles
- complement fixation — the fixing of complement into the product of an antigen-antibody reaction: used as an infection indicator in certain serologic tests that measure the presence or absence of free, active complement
- complete fertilizer — a fertilizer containing nitrogen, phosphorus, and potassium, the three principal elements required for plant nutrition.
- confectioner's shop — a sweet shop
- confederate jasmine — star jasmine.
- confession of faith — a formal public avowal of religious beliefs
- confidence interval — an interval of values bounded by confidence limits within which the true value of a population parameter is stated to lie with a specified probability
- continuous function — (loosely) a mathematical function such that a small change in the independent variable, or point of the domain, produces only a small change in the value of the function.
- contributing factor — something that is partly responsible for a development or phenomenon
- corrections officer — A corrections officer is someone who works as a guard at a prison.
- corruption of blood — the impurity before law that results from attainder and disqualifies the attainted person from inheriting, retaining, or bequeathing lands or interests in lands: abolished in 1870.
- cost-push inflation — inflation in which prices increase as a result of increased production costs, as labor and parts, even when demand remains the same.
- count oneself lucky — If you say that someone can count themselves lucky, you mean that the situation they are in or the thing that has happened to them is better than it might have been or than they might have expected.
- counter reformation — the movement within the Roman Catholic Church that followed the Protestant Reformation of the 16th century.
- counter-reformation — the reform movement of the Roman Catholic Church in the 16th and early 17th centuries considered as a reaction to the Protestant Reformation
- countertransference — in psychotherapy, transference in which the psychoanalyst or other psychotherapist substitutes the client for the original object of his or her own repressed impulses
- court of st james's — the official name of the royal court of Britain
- craters of the moon — a national monument in S Idaho: site of scenic lava-flow formations.
- cross-fertilization — fertilization by the fusion of male and female gametes from different individuals of the same species
- cult of personality — a cult promoting adulation of a living national leader or public figure, as one encouraged by Stalin to extend his power.
- current transformer — A current transformer is a transformer that is designed to give an accurate current ratio for the purpose of measurement and control.
- customer preference — Customer preference is what type of product an individual customer likes and dislikes.
- deaf without speech — (usually of a prelingually deaf person) able to utter sounds but not speak
- deathbed confession — a confession that somebody makes just before he or she dies, usually relating to some long concealed crime or secret
- declaration of love — a statement made by one person to another in which they say they are in love with the other person
- deflate compression — deflate
- dereliction of duty — Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job.
- diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
- dictionary of names — a dictionary of given names that indicates whether a name is usually male, female, or unisex and often includes origins as well as meanings; for example, as by indicating that Evangeline, meaning “good news,” comes from Greek. Used primarily as an aid in selecting a name for a baby, dictionaries of names may also include lists of famous people who have shared a name and information about its current popularity ranking.
- difference equation — (mathematics) A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants.
- diffraction grating — a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra.
- diffraction pattern — the phenomenon exhibited by wave fronts that, passing the edge of an opaque body, are modulated, thereby causing a redistribution of energy within the front: it is detectable in light waves by the presence of a pattern of closely spaced dark and light bands (diffraction pattern) at the edge of a shadow.
- director of studies — a member of staff at an educational institution who has responsibility for overseeing the curriculum
- disciples of christ — a Christian denomination, founded in the U.S. by Alexander Campbell in the early part of the 19th century, that rejects all creeds, holds the Bible as a sufficient rule of faith and practice, administers baptism by immersion, celebrates the Lord's Supper every Sunday, and has a congregational polity.
- doctrine of descent — the theory that animals and plants arose by descent from previously existing organisms; theory of evolution
- elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
- electromotive force — a source of energy that can cause a current to flow in an electrical circuit or device
- electrostatic field — an electric field associated with static electric charges
- engineering factory — a factory where engineering products are made
- entry qualification — the qualifications and conditions required to join an organization, club, etc
- essence of bergamot — a fragrant essential oil from the fruit rind of this plant, used in perfumery and some teas (including Earl Grey)
- expeditionary force — An expeditionary force is a group of soldiers who are sent to fight in a foreign country.
- factitious disorder — any of various syndromes, as Münchausen syndrome, characterized by physical or psychological symptoms intentionally produced by a person and under voluntary control.
- facultative apomict — a plant that can reproduce sexually or asexually.
- family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
- farmers cooperative — an organization of farmers for marketing their products or buying supplies.
- fashion coordinator — a person in a department store or other establishment who coordinates activities centered upon or related to fashion, as fashion themes, shows, displays, and promotion.
- feast of dedication — Hanukkah.