コア
Meanings
1
Refers to the central, essential, or most important part of something, similar to English 'core'. Used in both concrete and abstract contexts.
What is the core of this problem?
The Earth's core is extremely hot.
2
Colloquial adjectival use describing something as extreme, intense, or deeply committed, often in the context of hobbies, fandoms, or subcultures.
He is a hardcore gamer.
This band is supported by passionate fans.
Usage patterns
- 〈物〉のコアとなるto become the core/central part of something
This new technology will likely become the core of the company.
- コアな〈人〉a hardcore/die-hard person (e.g. fan)
He's a hardcore fan of that band.
Expressions
- コアを吐くdump core; dump memory contents