The co-ordination between the design and engineering teams ensured the prototype was completed on schedule.

The committee adopted a co-ordinative approach to ensure all departments met the project deadline.

The co-ordinator arranged the schedules for all visiting speakers.

Successful co-ordinations among volunteers ensured the event ran smoothly.

When plotting the three-dimensional function, you must clearly label the co-ordinate axes to avoid confusion.

Before plotting, label each co-ordinate axis clearly so students can read the graph.

In older astronomical literature, Geocentric Co-ordinate Time is often used as an alternative spelling.