In obsolete|lang=en terms the difference between collection and object
is that
collection is (obsolete) the act of inferring or concluding from premises or observed facts; also, that which is inferred while
object is (obsolete) to set before or against; to bring into opposition; to oppose.
As nouns the difference between collection and object
is that
collection is a set of items or amount of material procured or gathered together while
object is a thing that has physical existence.
As a verb object is
to disagree with something or someone; especially in a court of law, to raise an objection.