| Answer | Crossword Clue |
|---|---|
| RADII | They're half the diameter |
| RADIUS | Half the diameter |
| semidiameter | half the diameter, esp the angular diameter |
| semidiameters | SEMIDIAMETER, half the diameter, esp the angular diameter |
| ENS | They're half the width of ems |
| RADIUS | Half a diameter |
| semidiameters | Half of a diameter; radius |
| semidiameter | Half of a diameter; radius |
