What's the difference between as and which?

As


Definition:

  • (adv. & conj.) Denoting equality or likeness in kind, degree, or manner; like; similar to; in the same manner with or in which; in accordance with; in proportion to; to the extent or degree in which or to which; equally; no less than; as, ye shall be as gods, knowing good and evil; you will reap as you sow; do as you are bidden.
  • (adv. & conj.) In the idea, character, or condition of, -- limiting the view to certain attributes or relations; as, virtue considered as virtue; this actor will appear as Hamlet.
  • (adv. & conj.) While; during or at the same time that; when; as, he trembled as he spoke.
  • (adv. & conj.) Because; since; it being the case that.
  • (adv. & conj.) Expressing concession. (Often approaching though in meaning).
  • (adv. & conj.) That, introducing or expressing a result or consequence, after the correlatives so and such.
  • (adv. & conj.) As if; as though.
  • (adv. & conj.) For instance; by way of example; thus; -- used to introduce illustrative phrases, sentences, or citations.
  • (adv. & conj.) Than.
  • (adv. & conj.) Expressing a wish.
  • (n.) An ace.
  • (n.) A Roman weight, answering to the libra or pound, equal to nearly eleven ounces Troy weight. It was divided into twelve ounces.
  • (n.) A Roman copper coin, originally of a pound weight (12 oz.); but reduced, after the first Punic war, to two ounces; in the second Punic war, to one ounce; and afterwards to half an ounce.

Example Sentences:

Which


Definition:

  • (a.) Of what sort or kind; what; what a; who.
  • (a.) A interrogative pronoun, used both substantively and adjectively, and in direct and indirect questions, to ask for, or refer to, an individual person or thing among several of a class; as, which man is it? which woman was it? which is the house? he asked which route he should take; which is best, to live or to die? See the Note under What, pron., 1.
  • (pron.) A relative pronoun, used esp. in referring to an antecedent noun or clause, but sometimes with reference to what is specified or implied in a sentence, or to a following noun or clause (generally involving a reference, however, to something which has preceded). It is used in all numbers and genders, and was formerly used of persons.
  • (pron.) A compound relative or indefinite pronoun, standing for any one which, whichever, that which, those which, the . . . which, and the like; as, take which you will.

Example Sentences: