WordNet
n. an observation that has been confirmed repeatedly and is accepted as true (although its truth is never final)
Usage examples of "scientific fact".
It is an irrefutable scientific fact that solar systems throughout the universe are being continuously created in precisely the same way as ours was.
But that there is a definite relationship between individual tone and the amount of analytical shutdown is a scientific fact.
The assurance that adaptations add up to evolution, presented in textbooks as established scientific fact and belligerently insisted on as a truth that can be disputed only at the peril of becoming a confessed imbecile or a sociopath, is founded on faith.
I've never caught him out yet on a scientific fact, though once or twice I've had to give him the benefit of the doubt.
As the twentieth century drew to a close, the connection between hard scientific fact and public policy became increasingly elastic.
No, admitted Hayes, but it is logical, conflicts with no scientific fact I know of, and works out to form a consistent explanation of novae.
Somewhere he had heard that all mythology had a basis in scientific fact.
And while the science fiction audience is much more open-minded about the future than any professional scientist, they will still turn against stories that betray an ignorance or disdain of accepted scientific fact.