1. A significant or remarkable increase in size, scope, or extent of something
The company achieved a notable expansion into the Asian market last year.
A empresa alcançou uma expansão notável no mercado asiático no ano passado.
2. A conspicuous growth or development that deserves attention or recognition
The university's notable expansion of its research facilities attracted top scientists.
A expansão notável das instalações de pesquisa da universidade atraiu cientistas de destaque.