Related Clues:
- y-___ (vertical line on a graph)
- Mathematician's ring spanner
- X- or y-, on a chart
- A number flipped over for part of graph
- I am interrupting to put off bore
- One slimming takes a medium size?
- ___ & Allies (board game)
- Reference line in graphs
- Team splits as it's rotated around
- Coalition led by Germany, with Italy and Japan, in WWII
- Red meat I moved a distance across plate?
- Revolutionary line?
- Imaginary line that Earth spins around