The author's subtle characterisations made the supporting cast feel startlingly real.

The characteristic function of a set A takes the value 1 for elements in A and 0 for elements not in A, making it a simple yet powerful tool in analysis.

Her characteristical laugh made everyone in the room smile.

To analyze the vibration modes, we calculated the characteristic root of the system's mass matrix.

The engineer analyzed the characteristic roots of the system to determine its stability.

The peacock's long, iridescent tail is a classic secondary sex characteristic that helps attract mates.

Clinicians monitor secondary sex characteristics to assess the stages of pubertal development.

Her characterhood was apparent in every gesture and choice she made.

The novel's characterisms made each protagonist feel vivid and unique, drawing readers into their inner worlds.

The author's characterism provided a vivid contrast between the humble farmer and the arrogant magistrate.