ballast
/ˈbæl.əst/
C1 · Advanced★★☆☆☆
Simple Meaning
material pesado colocado en un barco o vehículo para mantenerlo estable
When to Use
⚙️Technical📚Academic Writing
Advanced — complex ideas, academic/professional
Examples in Conversation
“El barco necesita más lastre para mantenerse equilibrado en la tormenta.”
“Usaron sacos de arena como lastre para el globo aerostático.”
Learning Path
▶Full Definition
Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.