At each point on a smooth curve, the centre of curvature is the center of the osculating circle and lies on the curve's normal.

The engineers measured the centres of lift on each wing to ensure aerodynamic balance during flight tests.

The coach praised the centre-backs for their composure under pressure during the final.

The centre forward scored a late winner with a powerful header.

Local garden centres often host weekend workshops on composting and container gardening.

The molecule becomes optically active because it has a single chiral centre at the third carbon.

The sailors checked the centre-boards before launching the dinghy.

The council allocated extra funding to renovate several civic centres across the region.

The new convention centre downtown will host international conferences next year.

During the international tourism summit, several convention centres offered virtual tours to attract overseas delegates.