Definition

1. 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."

Noun

1. small crystals of ice