10-letter words containing s, e, a, r, o
- peashooter — a tube through which dried peas, beans, or small pellets are blown, used as a toy.
- pectoralis — either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major) assisting in drawing the shoulder forward and rotating the arm inward, and the action of the smaller (pectoralis minor) assisting in drawing the shoulder downward and forward.
- pellagrous — a disease caused by a deficiency of niacin in the diet, characterized by skin changes, severe nerve dysfunction, mental symptoms, and diarrhea.
- pelycosaur — any of a group of large primitive reptiles belonging to the extinct order Pelycosauria, abundant in North America and Europe during the Permian Period, often having a tall spinal sail.
- pensionary — a pensioner.
- perforatus — a muscle that bends a digit
- periastron — the point at which the stars of a binary system are closest (opposed to apastron).
- permafrost — (in arctic or subarctic regions) perennially frozen subsoil.
- peroxidase — any of a class of oxidoreductase enzymes that catalyze the oxidation of a compound by the decomposition of hydrogen peroxide or an organic peroxide.
- person-day — a unit of measurement, especially in accountancy, based on an ideal amount of work done by one person in one working day.
- personable — of pleasing personal appearance; handsome or comely; attractive.
- personably — of pleasing personal appearance; handsome or comely; attractive.
- personalia — the accoutrements, concerns, or intimations that are personal to one
- personally — through direct contact; in person; directly: I will thank him personally.
- personalty — personal estate or property.
- persuasion — the act of persuading or seeking to persuade.
- pescadores — (used with a plural verb) Penghu.
- petrostate — a small oil-rich country in which institutions are weak and wealth and power are concentrated in the hands of a few
- planospore — a zoospore.
- plesiosaur — any marine reptile of the extinct genus Plesiosaurus, from the Jurassic and Cretaceous periods, having a small head, a long neck, four paddlelike limbs, and a short tail.
- poetastery — the work done by a poetaster
- polycrates — died 522? b.c, Greek tyrant of Samos.
- polymerase — any of several enzymes that catalyze the formation of a long-chain molecule by linking smaller molecular units, as nucleotides with nucleic acids.
- popularise — to make popular: to popularize a dance.
- poriferans — an animal phylum comprising the sponges.
- porraceous — resembling a leek, esp in colour
- portlaoise — a town in central Republic of Ireland, county town of Laois: site of a top-security prison. Pop: 12 127 (2002)
- postarrest — following an arrest, occurring after someone has been arrested
- postmarked — an official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.
- postmaster — the official in charge of a post office.
- power base — a source of authority or influence, especially in politics, founded on support by an organized body of voters, ethnic minority, economic class, etc.: His election as governor gives him a power base for seeking the presidency.
- praepostor — a senior student at an English public school who is given authority over other students.
- praetorius — Michael (Michael Schultheiss) 1571–1621, German composer, organist, and theorist.
- precarious — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- predacious — predatory; rapacious.
- presbyopia — farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.
- pressboard — a kind of millboard or pasteboard.
- presswoman — a female reporter
- prestation — a payment in money or in services.
- prestorage — occurring before storage
- proairesis — the power of considered decision-making
- processual — a systematic series of actions directed to some end: to devise a process for homogenizing milk.
- propagates — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- proposable — to offer or suggest (a matter, subject, case, etc.) for consideration, acceptance, or action: to propose a new method.
- prose edda — either of two old Icelandic literary works, one a collection of poems on mythical and religious subjects (or) erroneously attributed to Saemund Sigfusson (c1055–1133), the other a collection of ancient Scandinavian myths and legends, rules and theories of versification, poems, etc. (or) compiled and written in part by Snorri Sturluson (1179–1241).
- proseminar — a course conducted in the manner of a seminar for graduate students but often open to advanced undergraduates.
- proserpina — Persephone.
- proslavery — favoring slavery.
- prostrated — to cast (oneself) face down on the ground in humility, submission, or adoration.
- proteanism — readily assuming different forms or characters; extremely variable.