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characteristic

mastery

UK /ˌkæɹəktəˈɹɪstɪk/ US /ˌkæɹ(ə)ktəˈɹɪstɪk/nounadj

card 1 of 10 · context meaning

Which meaning of 'characteristic' best matches the usage in the sentence?

The lighthouse's characteristic is a group of two white flashes every 20 seconds.