13-letter words containing per
- copperas cove — a town in central Texas.
- copperheadism — U.S. History. (during the Civil War) the advocacy of peace negotiations to restore the Union to its prewar condition, with continued slavery in the South.
- councilperson — a member of a city or local legislative council.
- counterjumper — a clerk in a retail store.
- counterperson — a person who waits on customers from behind a counter, as in a cafeteria.
- countersniper — designed to act against or eliminate snipers
- countryperson — Someone who is from a countryside background.
- craftspersons — Plural form of craftsperson.
- cyclospermous — having the embryo curled around the central albumen
- deely boppers — hairband with two bobbing antennae-like attachments
- depersonalise — Alternative spelling of depersonalize.
- depersonalize — To depersonalize a system or a situation means to treat it as if it did not really involve people, or to treat it as if the people involved were not really important.
- desperateness — reckless or dangerous because of despair, hopelessness, or urgency: a desperate killer.
- dispersedness — the state of being dispersed
- dock-walloper — a casual laborer about docks or wharves.
- double-dipper — Informal. to earn a salary from one position while collecting a pension from the same employer or organization, especially to be a wage earner on the federal payroll while receiving a military retiree's pension.
- double-ripper — bobsled (def 2).
- draftspersons — Plural form of draftsperson.
- drawing paper — artist's paper for drawing and sketching
- eavesdroppers — Plural form of eavesdropper.
- even-tempered — mild mannered
- evening paper — a newspaper that comes out in the evening
- exasperatedly — In an exasperated manner.
- exasperations — Plural form of exasperation.
- experimenters — Plural form of experimenter.
- experimenting — Present participle of experiment.
- expert advice — advice given by someone who has studied a subject thoroughly or who is very skilled at a particular job
- expert system — (artificial intelligence) A computer program that contains a knowledge base and a set of algorithms or rules that infer new facts from knowledge and from incoming data. An expert system is an artificial intelligence application that uses a knowledge base of human expertise to aid in solving problems. The degree of problem solving is based on the quality of the data and rules obtained from the human expert. Expert systems are designed to perform at a human expert level. In practice, they will perform both well below and well above that of an individual expert. The expert system derives its answers by running the knowledge base through an inference engine, a software program that interacts with the user and processes the results from the rules and data in the knowledge base. Expert systems are used in applications such as medical diagnosis, equipment repair, investment analysis, financial, estate and insurance planning, route scheduling for delivery vehicles, contract bidding, counseling for self-service customers, production control and training.
- extrapersonal — Outside of a person; beyond what is personal or individual.
- fairy-slipper — Calypso (def 2).
- fanfold paper — continuous paper perforated at regular intervals, as used in a dot-matrix printer
- foul-tempered — frequently and unnecessarily sullen or angry
- gentle-person — a person of good family and position; gentleman or lady.
- glass slipper — an imaginary ladies' shoe made of glass, as worn by Cinderella in the fairy tale of that name
- good-tempered — good-natured; amiable.
- grand drapery — a valance across the proscenium arch, forming part of the decorative frame for the stage.
- granite paper — paper containing fibers of various colors that give it a granitelike appearance.
- greenskeepers — Plural form of greenskeeper.
- groundkeepers — Plural form of groundkeeper.
- groundskeeper — a person who is responsible for the care and maintenance of a particular tract of land, as an estate, a park, or a cemetery.
- guinea pepper — grain of paradise.
- gymnospermous — of or relating to a gymnosperm; having exposed or naked seeds.
- hair clippers — device for trimming hair
- harpers ferry — a town in NE West Virginia at the confluence of the Shenandoah and Potomac rivers: site of John Brown's raid 1859.
- helper t cell — a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal.
- helper t-cell — a type of T cell that helps coordinate the immune response, especially by activating B cells: the AIDS virus targets and destroys these T cells
- honey creeper — any of several small, usually brightly colored birds, related to the tanagers and wood warblers, of tropical and semitropical America.
- honeycreepers — Plural form of honeycreeper.
- hopper dredge — a self-propelled dredge having compartments in which the dredged material can be carried and dumped through hoppers.
- house slipper — a slipper worn in the house or indoors, often distinguished from a bedroom slipper by having a back and heel.