pivotal
pi·vo·tal
adjective
1.
being of crucial importance
- “a pivotal event”
- “Its pivotal location has also exposed it to periodic invasions” Henry Kissinger
- “the polar events of this study”
- “a polar principal”
Origin
From pivot + -al.
Phrases
- pivotal quantity
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.