what a sign mean that has a red circle with rock in it and a red line through it
Circle with a line through it is square yards, a square with a line through it is square feet
If you have a hole in the mouth with a white line around where a tooth use to be mean that you have a tooth coming back in. I would go to the doctor and have them check it out.
line note
athletics, running around, competition
the line through the middle
A line through word means NO. So it means no doubt.
line segment
Do you mean the dark line running from your belly button to your groin? This can occur during pregnancy but some women also have this line when they are not pregnant.
If you mean a zero with a diagonal line through it, it is the symbol for the empty set which is the set that contains nothing.
it means that the atom has an electrical charge running through it
If by continuous, you mean is used all through your life, then yes.