扩张 kuòzhāng expansion
expansion; dilation; to expand (e.g. one's power or influence); to broaden
How to remember 扩张: 扩 to expand + 张 stretch = expansion.
Characters
How it is used
- Two typical fields: medical dilation - 血管扩张 (xuèguǎn kuòzhāng) blood vessels dilate; and expansion of power/territory - 对外扩张 (duìwài kuòzhāng) outward expansion, often with an aggressive, negative tone.
- Contrast neutral 扩大 (enlarge); 扩张 suggests forceful spreading out.