17-letter words containing e, p, i
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- ribbon microphone — a microphone that utilizes a metal ribbon suspended in a magnetic field.
- ribonucleoprotein — a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP.
- right parenthesis — (character) ")". ASCII character 41. Common names: right paren; right parenthesis; right; close; thesis ("(" = paren); close paren; close parenthesis; right parenthesis; right banana. Rare: already ("(" = so); rparen; ITU-T: closing parenthesis; close round bracket, right round bracket, INTERCAL: wane ("(" = wax); unparenthisey ("(" = parenthisey); right ear. Paired with left parenthesis.
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
- roseate spoonbill — a tropical New World spoonbill, Ajaia ajaja, having rose-colored plumage and a bare head.
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- rubber plantation — an estate in a tropical country where rubber trees are grown on a large scale
- rubber-base paint — latex paint.
- sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- saint christopher — Saint, died a.d. c250, Christian martyr.
- scarlet pimpernel — a plant belonging to the genus Anagallis, of the primrose family, especially A. arvensis (scarlet pimpernel) having scarlet or white flowers that close at the approach of bad weather.
- schematic capture — The process of entering the logical design of an electronic circuit into a CAE system by creating a schematic representation of components and interconnections.
- scheme repository — A collection of free Scheme programs.
- schizophrenogenic — causative of schizophrenia.
- schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- seaman apprentice — a noncommissioned enlisted person ranking above seaman recruit and below seaman. Abbreviation: SA.
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-depreciating — self-deprecating.
- self-emancipation — the act of emancipating.
- self-impregnating — to make pregnant; get with child or young.
- self-incompatible — not capable of self-pollination.
- self-interpreting — to give or provide the meaning of; explain; explicate; elucidate: to interpret the hidden meaning of a parable.
- self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
- self-presentation — an act of presenting.
- self-preservation — preservation of oneself from harm or destruction.
- self-priming pump — A self-priming pump is a pump that will clear its passages of air and start pumping.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-reproduction — the act or process of reproducing.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- semi-experimental — pertaining to, derived from, or founded on experiment: an experimental science.
- semi-monopolistic — a person who has a monopoly.
- semi-permeability — permeable only to certain small molecules: a semipermeable membrane.
- semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- seminal principle — a potential, latent within an imperfect object, for attaining full development.
- semisophisticated — somewhat sophisticated.
- sensitivity group — a group of persons participating in sensitivity training.
- sensory paralysis — impairment or loss of sensation in a part or area of the body
- separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
- separation center — a place at which military personnel are processed for release from active service.
- separation energy — binding energy (def 1).
- septicemic plague — an especially dangerous form of plague in which the infecting organisms invade the bloodstream. Compare plague (def 2).
- serendipity berry — miracle fruit (def 2).
- settlement option — any of the options, other than immediate payment in a lump sum, by which the policyholder or beneficiary may choose to have the benefits of a policy paid.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.