core, kernel

JLPT N5 10 strokes

Words with this Kanji

Meaning and Usage

The character "" primarily means "core" or "nucleus," and it is often used in scientific, technical, and metaphorical contexts. It can refer to the core part of something, such as the nucleus of an atom, the pit of a fruit, or the central issue in a discussion.

Common Collocations

  • 核能 (nuclear energy): Refers to energy derived from nuclear reactions.
  • 核心 (core, heart): Used metaphorically to indicate the most important part of something.
  • 核桃 (walnut): The word contains "" referring to the nut inside.

Usage Notes

When used in a metaphorical sense, often pairs with (heart) to form 核心, emphasizing the central or most crucial element. In scientific contexts, it frequently appears in terms related to atomic or nuclear science. When referring to fruit, means the pit or seed inside.

Common Confusion

can be confused with (heart) when talking about the core or center of something. Remember that emphasizes a physical or metaphorical core, often with a tangible or scientific nuance, while is more abstract, relating to feelings or the mind.

Example Sentences

Nuclear energy is an important clean energy source.

The core of this problem is poor communication.

The pit of the fruit is hard to eat.