10-letter words starting with op
- op-ed page — a newspaper page devoted to signed articles by commentators, essayists, humorists, etc., of varying viewpoints: the Op-Ed of today's New York Times.
- opal glass — a translucent or opaque glass, usually of a milky white hue.
- opalescent — exhibiting a play of colors like that of the opal.
- opalescing — Present participle of opalesce.
- opaqueness — The characteristic of being opaque.
- 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.
- opera-goer — someone who attends operas
- operagoers — Plural form of operagoer.
- operagoing — Attending opera performances.
- operatable — to work, perform, or function, as a machine does: This engine does not operate properly.
- operations — Plural form of operation.
- operatives — Plural form of operative.
- operculate — having an operculum.
- ophicleide — a musical wind instrument, a development of the old wooden serpent, consisting of a conical metal tube bent double.
- ophiolater — a person who worships snakes
- ophiolatry — the worship of snakes.
- ophiolitic — composed of, or relating to ophiolite
- ophiomorph — an amphibian of the Gymnophiona order, which has no limbs
- ophthalmia — inflammation of the eye, especially of its membranes or external structures.
- ophthalmic — of or relating to the eye; ocular.
- ophthalmo- — indicating the eye or the eyeball
- opiniative — Archaic form of opinionative.
- opinionate — (transitive, intransitive) To have or express as an opinion; to opine.
On this page, we collect all 10-letter words starting with OP. It’s easy to find right word with a certain length. It is the easiest way to find 10-letter word that beginning with OP to use in Scrabble or Crossword puzzles.