| Answer | Crossword Clue |
|---|---|
| quaternions | group or set of four persons or things |
| pantheons | group of illustrious or notable persons or things |
| aggregations | group or mass of distinct or varied things, persons, etc. |
| pleiad | any group of eminent or brilliant persons or things, esp. when seven in number |
| pleiads | any group of eminent or brilliant persons or things, esp. when seven in number |
| quaternion | a set or group of four; the operation of changing one vector into another, or the quotient of two vectors |
| quaternions | QUATERNION, a set or group of four; the operation of changing one vector into another, or the quotient of two vectors |
