Definitions for "Scientific fact"
A concept whose truth can be proven through experimentation and replication. However, "scientific hypotheses are not facts." Reference: A1
an observation that has been confirmed repeatedly and is accepted as true (although its truth is never final)
an absolute truth that is repeatable or a observed event that is repeatable and could be absolutely true or not
a construction abstracted out of a complex and interwoven reality by means of arbitrary definitions and classifications
Keywords:  idea, trusted, established, body
an established, or rather trusted, idea within the body of scientific knowledge