hallmark
UK: ˈhɔːlmɑːk | US: ˈhɔːlmɑːrk
n. a distinctive feature or characteristic
n. an official mark stamped on gold, silver, or other precious metals to certify purity
vt. to stamp with a hallmark
The word "hallmark" originated in the 14th century, referring to the official mark of the Goldsmiths' Company of London, stamped at Goldsmiths' Hall. "Hall" denotes the royal or authoritative setting where certification took place, while "mark" refers to the stamped symbol. Over time, it broadened to mean any distinguishing feature or standard of quality.
The film bears the hallmark of its director’s unique visual style.
Each piece of jewelry was hallmarked to guarantee its silver content.
Honesty is the hallmark of a trustworthy leader.
The city’s architecture carries the hallmark of medieval influence.
This innovation has become the hallmark of modern technology.