Every word, A to Z.

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The surgical removal of one or both ovaries, usually performed to treat or prevent conditions such as ovarian cancer, ovarian cysts,…

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Clipping of opponent; alternative spelling of opp.

The state or quality of being opaque, not allowing light to pass through.

Neither reflecting nor emitting light.

Acronym of Organization of Petroleum Exporting Countries.

A city, the parish seat of St. Landry Parish, Louisiana, United States.

open up (especially referring to doors)

A ceremony to mark the official opening of a building or event.

In an open manner; visibly.

A theatrical work, combining drama, music, song and sometimes dance; usually, one sung-through, based on classical music and seen as…

Of or relating to operations, especially military operations.

Effectual or important.

plural of ophan

Ophiophobia; a fear of snakes.

A locality in the Cabonne council area, central New South Wales, Australia.

A zodiacal constellation of the northern summer said to depict a man (Asclepius) holding a serpent; the serpent is the constellation…

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A medical doctor specializing in the eye: deficiencies of vision requiring correction, and diseases. Compare optometrist.

The anatomy, functions, pathology, and treatment of the eye.

harvestmen

Any of the natural substances, such as an endorphin, released in the body in response to pain; an endogenous opioid.

Any American marsupial of the family Didelphidae in the order Didelphimorphia.

plural of opportunity

A chance for advancement, progress or profit.

Located directly across from something else, or from each other.

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To choose; select.