HSK 5 · Ideas
核心 héxīn “core” in Chinese
Same in Traditional
What 核心 means
- core
- nucleus
How to say 核心
核hé2nd tone, rising
心xīn1st tone, high and level
核心 in a sentence
How 核心 is built
Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.

核hépit
- 木tree · mùMeaning part
- 亥part of the characterSound part

心xīnheart
心 is a single shape of 4 strokes. Learn it whole, then watch its stroke order below.
Memory aidDrawn from a heart. On the left of a character it is written 忄.
How to write 核心
核 10 strokes · 心 4 strokes
Watch the order, then press Try writing it and draw each stroke in the grid. Each stroke is checked as you go.

Words related to 核心
Words with 核
Words with 心
担心dānxīn · to worry放心fàngxīn · relax关心guānxīn · concerned about/with小心xiǎoxīn · be careful心里xīnlǐ · in one’s heart心xīn · heart伤心shāngxīn · to grieve粗心cūxīn · careless耐心nàixīn · to be patient开心kāixīn · to feel happy
More words: Ideas & Concepts
FAQs
核心 (héxīn) means “core” or “nucleus”. It is an HSK 5 word.
Say it héxīn: hé with a 2nd tone, then xīn with a 1st tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
Yes. 核心 is written the same way in Simplified and Traditional characters.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type hexin with no tone marks or spaces, then choose 核心 from the suggestions. Typing hexin into this dictionary’s search box finds it too.
核心 is an HSK 5 word in the HSK 2.0 word lists.
Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences from Tatoeba (CC BY 2.0 FR). Character parts and stroke order from Make Me a Hanzi.