Word: Black Ice
Definition:
Black ice is a thin layer of ice that forms on roads or sidewalks, often from freezing mist or light rain. It is called "black" because it is usually clear and can be nearly invisible against the dark pavement. This makes it very dangerous for drivers and pedestrians, as they may not see it until it is too late.
Usage Instructions:
- Use "black ice" when talking about winter driving conditions or safety on sidewalks. - It is often mentioned in weather reports or safety warnings.
Example Sentence:
"Be careful when driving this morning; there is black ice on the roads after last night’s rain."
Advanced Usage:
In more advanced contexts, you might talk about "black ice" in relation to traffic accidents, road safety measures, or winter weather preparedness.
Example:
"Many accidents occur due to black ice, highlighting the need for better winter road management."
Word Variants:
- Black icy (adjective): Describes conditions or surfaces that are affected by black ice.
- Example: "The black icy roads made it difficult to drive safely."
Different Meaning:
While "black ice" primarily refers to the thin layer of ice, it can also metaphorically describe situations that seem safe but are actually very dangerous.
Example:
"Investing in that stock felt safe, but it turned out to be black ice; the market crashed unexpectedly."
Synonyms:
- Invisible ice
- Black frost (less common)
Idioms and Phrasal Verbs:
There are no direct idioms or phrasal verbs specifically related to "black ice," but you can use phrases like "slipping on black ice" to describe being caught off guard by a situation.
Summary:
Black ice is a hidden danger on roads and sidewalks in cold weather.