mass noun
1- a deposit of small white ice crystals formed on the ground or other surfaces when the temperature falls below freezing霜, 霜冻。
1.1
- count noun a period of cold weather when such deposits form霜冻期：
there have been several sharp frosts recently.
最近出现了几次寒冷的霜冻。
1.2
- count noun figurative a chilling or dispiriting quality, especially one conveyed by a cold manner〈喻〉冷淡的态度, 冷若冰霜的态度：
there was a light frost of anger in Jackson's tone.
杰克逊的语气中流露出一丝冷峻的愠怒。
1.3
- in sing. Brit. informal, dated a failure〈英, 非正式, 旧〉失败。
with obj.
1- cover (something) with or as if with small ice crystals; freeze结霜于; 似结霜于; 使结冰：
shop windows were still frosted over.
商店的窗玻璃上仍然结着霜。
1.1
- no obj. become covered with small ice crystals结霜：
no one has managed to stop outdoor heat exchangers frosting up during winter.
没有人能够阻止户外的热交换器在冬季结霜。
1.2
- chiefly US decorate (a cake or biscuit) with icing〈主美〉在（蛋糕, 点心）上面撒糖霜。
1.3
- injure (a plant) by freezing weather冻坏（植物）。
短语
degrees of frost
- Brit.degrees below freezing point〈英〉冰点以下的温度。
派生词
frostless
adjective词源
Old English frost， forst, of Germanic origin; related to Dutch vorst and German Frost, also to FREEZE.