核
hé
nucleic acid test (short for 核酸)
Every meaning
hé
- to check; to examine (as in 审核)
- nuclear (as in 核武器)
- nucleus; core (as in 核心)
- (coll.) nucleic acid test (short for 核酸)
- pit; stone (of fruit)
hú
- (coll.) pit; stone (of fruit) (as in 枣核儿)
Words with 核
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).