1. To increase the gap or advantage between competitors, typically in sports or competition
The team managed to extend the margin to 10 points in the second half.
O time conseguiu ampliar a margem para 10 pontos no segundo tempo.
2. To widen the difference in profit or financial advantage
The company extended the margin by reducing operational costs.
A empresa ampliou a margem reduzindo os custos operacionais.
3. To increase the space or border around something
The editor asked to extend the margin on the left side of the page.
O editor pediu para ampliar a margem no lado esquerdo da página.