eccentricity.

1. A measure of how far an orbit or conic section departs from circular form.

2. An unusual habit, trait, or departure from expected behavior.

Use it for

Words that belong together

• orbital eccentricity
• high eccentricity

On the page

The comet’s orbital eccentricity was high.

They calculated eccentricity from the trajectory.

Usage notes

Primary category: sci-fi. Forms: Singular eccentricity; plural eccentricitys. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.