coherent
/kəʊˈhɪərənt/adjective
1
- (of an argument, theory, or policy) logical and consistent（论据, 理论, 政策）合乎逻辑的; 协调的：
they failed to develop a coherent economic strategy.
他们没能制订出一个协调的经济方略。
1.1
- (of a person) able to speak clearly and logically说话条理清楚的：
she was lucid and coherent and did not appear to be injured.
她思路清晰, 说话连贯, 看来没有受伤。
2
- united as or forming a whole结合成一体的：
divided into a number of geographically coherent kingdoms.
分割成若干互相接壤的王国。
3
- Physics (of waves) having a constant phase relationship【物理】（波）相干的; 相参的。
派生词
coherence
nouncoherency
noun （ 〈罕〉）coherently
adverb词源
mid 16th cent. （in the sense 'logically related to'）： from Latin cohaerent- 'sticking together', from the verb cohaerere （see COHERE）.