10-letter words containing pen
- fiftypenny — noting a nail 5½ inches (14 cm) long. Abbreviation: 50d.
- fortypenny — being 5 inches (13 cm) long: a fortypenny nail. Symbol: 40d.
- gabapentin — (medicine) A medication, originally used for the treatment of epilepsy but now used to relieve pain.
- happenings — something that happens; occurrence; event.
- impendence — impending.
- impenitent — not feeling regret about one's sin or sins; obdurate.
- indpendent — Misspelling of independent.
- leucopenia — a decrease in the number of white blood cells in the blood.
- leukopenia — a decrease in the number of white blood cells in the blood.
- leukopenic — a decrease in the number of white blood cells in the blood.
- lip pencil — a make-up pencil used for outlining, shaping or colouring the lips
- marker pen — a pen with a thick tip made of felt
- micropenis — (medical) An unusually small penis.
- nepenthean — a drug or drink, or the plant yielding it, mentioned by ancient writers as having the power to bring forgetfulness of sorrow or trouble.
- open brace — left brace
- open chain — a series of atoms linked in a chain not joined together at its ends, and so represented in its structural formula.
- open court — a court or trial to which members of the public are freely admitted
- open cover — a cover of a set consisting entirely of open sets.
- open doors — the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration.
- open field — any area of the playing field away from the heavily trafficked line of scrimmage, in which the defense is widely scattered.
- open flash — a photographic technique employing a flash fired while the camera shutter is held open.
- open frame — a frame in which a bowler fails to make a strike or a spare.
- open group — The Open Group
- open house — a party or reception during which anyone who wishes may visit to share in a celebration, meet a special guest, etc.
- open order — a troop formation for drill or basic combat training, the intervals between the individuals being greater than those in close order.
- open quote — the quotation mark used to begin a quotation (“ or ").
- open sight — (on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.
- open space — Ecology. undeveloped land that is protected from development by legislation.
- open stock — merchandise, especially china, silverware, and glassware, sold in sets with additional individual pieces available from stock for future purchases, as for replacement.
- open union — a labor union that does not impose rigid restrictions on the admission of new members.
- open vowel — a vowel pronounced with the lips relatively wide apart
- open wound — injury in which skin is broken
- open-carry — the practice of publicly carrying a gun or other weapon that is fully or partially visible.
- open-ended — not having fixed limits; unrestricted; broad: an open-ended discussion.
- open-faced — having a frank or ingenuous face.
- open-field — any area of the playing field away from the heavily trafficked line of scrimmage, in which the defense is widely scattered.
- open-shelf — open-stack.
- open-sided — having a side or sides open.
- open-stack — having or being a system of library management in which patrons have direct access to stacks for browsing and selecting books; open-shelf.
- openhanded — generous; liberal: openhanded hospitality.
- openminded — Alternative spelling of open-minded.
- opensource — Alternative spelling of open-source.
- oropendola — any of several birds of the genus Gymnostinops, related to crows and feeding primarily on fruit and nectar, noted especially for their hanging nests.
- osteopenia — Reduced bone mass of lesser severity than osteoporosis.
- pat. pend. — patent pending
- pen pusher — pencil pusher.
- pen-friend — A pen-friend is someone you write friendly letters to and receive letters from, although the two of you may never have met.
- pen-pusher — pencil pusher.
- penal code — the aggregate of statutory enactments dealing with crimes and their punishment.
- penannular — having the shape or design of an incomplete circle.