total eclipse; totality
Astronomy term for a total eclipse, especially of the sun or moon. Often used in compounds like 皆既日食 (total solar eclipse) or 皆既月食 (total lunar eclipse).
A total solar eclipse lasts only a few minutes.
The next total lunar eclipse can be seen next year.
Compound of 皆 (all, everything) and 既 (already, completely), literally meaning 'all is complete', referring to the complete covering of the sun or moon.