Anagrams of: AEOORTTT_

• an obsolete name for nitrogen

• 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)

• the 6th letter of the Greek alphabet

• obtain through intimidation

• obtain by coercion or intimidation

• get or cause to become in a difficult or laborious manner

• a male monarch or emperor (especially of Russia prior to 1917)

• any thick, viscous matter

• the process of seeping

• pass gradually or leak through or as if through small openings

• release (a liquid) in drops or small quantities

• tear down so as to make flat with the ground

• a small notebook for rough notes