Anagrams of: HERETO_

• preceding even the first

• German physicist who was the first to produce electromagnetic waves artificially (1857-1894)

• the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)

• German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)

• spur on or encourage especially by cheers and shouts

• force or impel in an indicated direction

• 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)

• of or pertaining to a number system having 16 as its base

• an evil spell

• cast a spell over someone or something; put a hex on someone or something

• of or concerning this or that

• from that circumstance or source

• (interrogative) To what; to which place, whither?

• (interrogative) To what end; wherefore?

• (relative) To which.

• a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena

• a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena

• a belief that can guide behavior

• the 26th letter of the Roman alphabet