What does "fold" mean?
What does "fold" mean in this sentence:

The performance improvement reflected approximately a 5,000-fold speedup.

Does it mean 5,000 times? I can't find the similar meaning in dict.

Question

What does "fold" mean?
What does "fold" mean in this sentence:

The performance improvement reflected approximately a 5,000-fold speedup.

Does it mean 5,000 times? I can't find the similar meaning in dict.

Answer

Yes, when -fold is added to a number, it means "times".  Threefold, tenfold, hundredfold, thousandfold...