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troncal

core

adjective trohn-KAHL Rare
Descriptions & Qualities Quality

Also means

trunk

Usage Note

Troncal derives from tronco (trunk) and means 'relating to the main trunk or core'. In education, asignaturas troncales are core/compulsory subjects. In telecommunications and transport, it describes a main artery or backbone line. It is invariable by gender: una línea troncal, el eje troncal.

Examples

"Las matemáticas son una asignatura troncal en el bachillerato."

Natural Translation

Mathematics is a core subject in secondary school.

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