zhuó​zhòng​hào

mark of emphasis

着重号 著重號 zhuó​zhòng​hào
mark of emphasis
A punctuation mark used to signal emphasis in Chinese text, usually taking the form of a small dot placed directly below horizontal text or to the right of vertical text.

Frequency

Movie subtitles
0.030 per million appears in 0% of films
Written text
0.089 per million

Sources