13-letter words containing o, p, e, n, a, i
- repetitionary — of the nature of repetition, repetitious
- republication — publication anew.
- repunctuation — the act or process of punctuating differently or again
- rhizocephalan — belonging to the Rhizocephala, a group of degenerate hermaphrodite crustaceans that are parasitic chiefly on crabs.
- rolling paper — cigarette paper available in small packages to smokers for rolling their own cigarettes.
- salpingectomy — excision of the Fallopian tube.
- schizophrenia — Psychiatry.. Also called dementia praecox. a severe mental disorder characterized by some, but not necessarily all, of the following features: emotional blunting, intellectual deterioration, social isolation, disorganized speech and behavior, delusions, and hallucinations.
- semipalmation — the state of being semipalmate
- semiporcelain — any of several vitrified ceramic wares lacking the translucency or hardness of true porcelain but otherwise similar to it.
- septentrional — northern; boreal
- sexploitation — the exploitation of sex in films, magazines, etc.
- sharecropping — the practice of cultivating farmland as a sharecropper
- sheep station — a large sheep farm
- sign of peace — the liturgical practice of giving a sign of peace, union, or friendship, as a handshake or embrace, at some point in a Christian service, esp. in a Mass or Communion service
- sino-japanese — having to do with both China and Japan
- slow-speaking — tending to speak slowly
- space fiction — a book, film, TV series, etc, set in outer space
- space station — an orbiting manned structure that can be used for a variety of purposes, as to assemble or service satellites, refuel spacecraft, etc.
- spark erosion — a method of machining using a shaped electrode which erodes the workpiece by an electric spark discharge between itself and the workpiece
- specification — the act of specifying.
- spermatogenic — relating to the development of spermatozoa
- spermatotoxin — spermotoxin.
- splenial bone — a small bone in the lower jaw of some animals, such as reptiles and birds
- spokesmanship — the office or skilful use of the office of spokesman
- spontaneities — the exhibiting of actions, impulses, or behaviour that are stimulated by internal processes
- sportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- spread option — spread (def 25b).
- spring-loaded — (of a machine part) kept normally in a certain position by a spring: a spring-loaded safety valve.
- springboarded — a flexible board, projecting over water, from which divers leap or spring.
- staying power — ability or strength to last or endure; endurance; stamina.
- streptokinase — an enzyme used to dissolve blood clots.
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- superdominant — submediant.
- superfetation — the fertilization of an ovum in a female mammal already pregnant.
- supernational — tending to involve, or extending authority over, more than one nation; international; supranational.
- superordinary — that is superior to the ordinary
- superordinate — of higher degree in condition or rank.
- superorganism — a form of life composed of mutually interdependent parts that maintain various vital processes.
- superrational — beyond the scope or range of reason; intuitional.
- superreaction — a reverse movement or tendency; an action in a reverse direction or manner.
- superregional — involving many regions
- superromantic — exceptionally romantic
- synaposematic — relating to synaposematism
- taphrogenesis — the process of forming rifts, resulting in regional faulting and subsidence
- tarpeian rock — a rock on the Capitoline Hill in Rome, from which criminals and traitors were hurled.
- tax exemption — immunity from paying tax
- tax inspector — a government official whose job is to make sure that people and companies are paying the right amount of tax
- te waipounamu — a Māori name for New Zealand's South Island
- technopolitan — of or relating to a place or society dominated by technology
- teleportation — to transport (a body) by telekinesis.