1
- relating to, resulting from, or denoting the presence or agency of ice, especially in the form of glaciers冰河的, 冰川的; 与冰河或冰川有关的; 与冰有关的; 由冰河（或冰）造成的：
thick glacial deposits
厚厚的沉积冰
a glacial lake.
冰湖。
1.1
- of or resembling ice; icy（像）冰的; 冰冷的：
glacial temperatures
冰冷的温度
glacial blue eyes.
冰蓝色的眼睛。
1.2
- Chemistry denoting pure organic acids (especially acetic acid) which form ice-like crystals on freezing【化】有机酸（尤指乙酸）的。
1.3
- extremely slow (like the movement of a glacier)极其缓慢的, 似冰河移动的：
an official described progress in the talks as glacial.
一位官员形容会谈进展如冰河移动般缓慢。
- Geology a glacial period【地质】冰（川）期, 冰河时代。
派生词
glacially
adverb词源
mid 17th cent.: from French, or from Latin glacialis 'icy', from glacies 'ice'.