piv·ot·al 
(pĭvə-tl)
(pĭvə-tl)adj.
1. Of, relating to, or serving as a pivot.
2. Being of vital or central importance; crucial: a decision that was pivotal to our success.
pivot·al·ly adv.
- carbon-date
- carbon dating
- carbon dioxide
- carbon disulfide
- carbon fiber
- carbon footprint
- carbonic acid
- carbonic acid gas
- Carboniferous
- carbonium ion
- carbonization
- carbonize
- carbonizer
- carbon monoxide
- carbon nanotube
- carbon-neutral
- carbon-nitrogen-oxygen cycle
- carbonous
- carbon paper
- carbon process
- carbon star
- carbon tetrachloride
- carbonyl
- carbonylic
- carborane