Words starting with O that are validated

• open-angle glaucoma — Noun – English ～ glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision; "open-angle glaucoma is the most common type of glaucoma"
• open-air market — Noun – English ～ a public marketplace where food and merchandise is sold
• open chain — Noun – English ～ a chain of atoms in a molecule whose ends are not joined to form a ring
• open house — Noun – English ～ an informal party of people with hospitality for all comers
• open letter — Noun – English ～ a letter of protest; addressed to one person but intended for the general public
• open — Noun – English ～ a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open"
• open-end fund — Noun – English ～ a regulated investment company with a pool of assets that regularly sells and redeems its shares
• open account — Noun – English ～ credit extended by a business to a customer
• open — Noun – English ～ information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface"
• open — Noun – English ～ where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open"
• open door — Noun – English ～ freedom of access; "he maintained an open door for all employees"
• open-air marketplace — Noun – English ～ a public marketplace where food and merchandise is sold
• open frame — Noun – English ～ any frame in which a bowler fails to make a strike or spare; "the break in the eighth frame cost him the match"
• open account — Noun – English ～ an unpaid credit order
• open fire — Verb – English ～ start firing a weapon
• open — Verb – English ～ start to operate or function or cause to start operating or functioning; "open a business"
• open — Verb – English ～ become open; "The door opened"
• open — Verb – English ～ make available; "This opens up new possibilities"
• open — Verb – English ～ begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
• open — Verb – English ～ spread out or open from a closed or folded state; "open the map"; "spread your arms"

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