auditorium

Everyday

1. A large room or building where an audience sits to watch a play, concert or talk. tree →
2. The part of a theatre where the audience sits. tree →

In the lessons

In schools, assemblies, concerts and plays are held in the auditorium or school hall. In maths, auditorium seats come in rows: 20 rows of 30 seats = 600 seats. Phrases: school auditorium, a packed auditorium.

Examples

• The play was in the school auditorium. tree →
• The auditorium was packed for the concert. tree →
• The auditorium has 25 rows with 40 seats each, so 1,000 seats. tree →
• We sat at the back of the auditorium. tree →
• Please be quiet when you enter the auditorium. tree →
• The auditorium lights dimmed and the show began. tree →

Note

Plural auditoriums (common) or auditoria (formal). UK schools often say «hall» instead. In maths, seat problems: rows × seats in a row.