horizontal direction

direction that is parallel to the horizon and perpendicular to the vertical

en-GB/ˌhɒɹɪˈzɒntl dɪˈɹɛkʃn/
en-US/ˌhɔɹəˈzɑntəl dɚˈɛkʃən/

カテゴリ：

script directionality