科学 (kēxué)

科学 means science as a noun, or scientific and systematic as an adjective, describing knowledge or methods based on evidence and reason.

Meanings

[noun] science; a systematic body of knowledge based on observation and experiment
[adjective] scientific; systematic; evidence-based

Example Sentences

科学技术是第一生产力。 Kēxué jìshù shì dì yī shēngchǎnlì. Science and technology are the primary productive forces.

我们应该用科学的方法解决问题。 Wǒmen yīnggāi yòng kēxué de fāngfǎ jiějué wèntí. We should use scientific methods to solve problems.

他从小就对科学非常感兴趣。 Tā cóng xiǎo jiù duì kēxué fēicháng gǎn xìngqù. He has been very interested in science since childhood.

这个结论缺乏科学依据。 Zhège jiélùn quēfá kēxué yījù. This conclusion lacks a scientific basis.

Collocations

Collocation	Meaning
科学研究	scientific research
科学依据	scientific basis
科学方法	scientific method
自然科学	natural science

Usage Notes

科学 as an adjective implies rigor, evidence-based reasoning, and a systematic approach. The phrase 不科学 (not scientific) is commonly used to criticize methods that lack evidence or logic. 科学家 (kēxuéjiā) means scientist and is a key vocabulary item at B1 level.

Memory Hook

科 means "category/branch of knowledge" and 学 means "study/learning": 科学 is the study of all branches of knowledge, organized and systematic.