partial eclipse
Astronomical term for an eclipse where only part of the celestial body is obscured.
A partial eclipse can be seen tonight.
During a partial eclipse, you must use special eclipse glasses.
皆既食 means 'total eclipse', where the entire celestial body is covered, as opposed to 部分食 which is only partial.
Standard kanji spelling for 'partial eclipse'.
Alternate kanji spelling using 蝕 (eclipse); less common than 部分食.
Compound of 部分 (part, portion) and 食 (eclipse). The kanji 食 is used in astronomical contexts to mean 'eclipse'.