Anagrams of PETROLLING_

• To flop down wearily.

• To faint.

• To fall down dead.

• inquire into

• travel to or penetrate into

• inquire into a subject in detail

• examine (organs) for diagnostic purposes

• the commercial activity of selling and shipping goods to a foreign country

• 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)

• praise, glorify, or honor

• something given for victory or superiority in a contest or competition or for winning a lottery

• goods or money obtained illegally

• something given as a token of victory

• of superior grade

• hold dear

• to move or force, especially in an effort to get something open

• regard highly; think much of

• a notable achievement

• use or manipulate to one's advantage

• draw from; make good use of

• work excessively hard

• a striking or amusing or caustic remark

• having three units or components or elements