pre-main-sequence
Astronomy
adjective
Designating a star which is too young (and therefore too bright, hot, or small) to belong to the main sequence on a Hertzsprung-Russell diagram.
Origin
1950s.
- plottingly
- plotting machine
- plotting rod
- plotting table
- plot twist
- plotty
- plotwise
- plotz
- plouff
- plough
- ploughable
- plough-alms
- plough a lonely (or one's own) furrow
- ploughback
- ploughbeam
- plough bolt
- plough-boon
- ploughboote
- ploughbote
- ploughboy
- plough bullock
- plough clevis
- plough day
- plough driver
- ploughed-back