experimentum crucis /ik-sper-i-menˈtəm krooˈsis or ek-spe-ri-menˈtoom krŭkˈis/ (Latin)

A crucial test

• expanding universe
• expanding universe theory
• expandor
• expandors
• expands
• expanse
• expanses
• expansibilities
• expansibility
• expansible
• expansibly
• expansile
• expansion
• expansional
• expansionary
• expansion board
• expansion boards
• expansion bolt
• expansion bolts
• expansion card
• expansionism
• expansionisms
• expansionist
• expansionistic
• expansionists