Anagrams of: _AEIORRR

• a republic in central Africa; achieved independence from Belgium in 1960

• the basic unit of money in Zaire

• of or relating to the null set (a set with no members)

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a mathematical element that when added to another number yields the same number

• the point on a scale from which positive or negative numerical quantities can be measured

• the sight setting that will cause a projectile to hit the center of the target with no wind blowing

• indicating the absence of any or all units under consideration

• having no measurable or otherwise determinable value

• indicating an initial point or origin

• adjust (an instrument or device) to zero value

• adjust (as by firing under test conditions) the zero of (a gun)

• tear down so as to make flat with the ground

• a voluminous cotton outer garment (usually white) traditionally worn by Muslim women of northern Africa and the Middle East; covers the entire body

• a sandal attached to the foot by a thong over the toes

• dry red table wine from the Rioja region of northern Spain

• relating to or containing the azo radical