ice needle
Học thuậtThân thiện
Definition
- Noun:
- A small, slender crystal of ice: An "ice needle" is a tiny, needle-shaped ice crystal that forms in the atmosphere under specific cold conditions, often falling from the sky as a type of precipitation or forming on surfaces.
Usage
- "Ice needle" is a countable noun. It typically refers to one of many such crystals.
- It is used in scientific and meteorological contexts to describe a specific form of ice crystal.
- Example:
- Example:
Examples
- Noun:
- The ground was covered in a delicate layer of ice needles after the freezing fog.
- Ice needles, also known as diamond dust, sparkled in the morning sun.
Advanced Usage
- "Fall as ice needles": Used to describe this type of precipitation.
- Instead of snow, it began to fall as ice needles.
- "Formation of ice needles": Used in scientific discussion.
- The formation of ice needles requires supersaturated air at very low temperatures.
Variants and Related Words
- Diamond dust (n): A meteorological term for a ground-level cloud composed of tiny ice needles or plates. It is a synonym in certain contexts.
- We witnessed beautiful diamond dust glittering in the air.
- Ice crystal (n): A more general term for any small crystal of ice, which includes ice needles as one type.
- The variety of ice crystals, from plates to columns, is fascinating.
Synonyms
- Frost crystal: A crystal of frost, which can sometimes form in a needle-like shape.
- Ice spicule: A technical term for a small, needle-like spike of ice.
Related Phrases
- Needle ice: A related but distinct phenomenon where needle-shaped columns of ice grow from the soil upwards (also called ). This is not precipitation but a ground ice formation.
- Needle ice lifted the soil surface in the garden.
Notes
- "Ice needle" specifically describes the crystal's shape. It is different from or , which are larger and form through different processes.
- The plural form is "ice needles."