tectonic
/tekˈtɒnɪk/adjective
1
- Geology of or relating to the structure of the earth's crust and the large-scale processes which take place within it【地质】地壳构造上的。
1.1
- (of a change or development) very significant or considerable（变化、发展）意义重大的, 重要的; 可观的：
the last decade has witnessed a tectonic shift in world affairs.
过去十年世界事务发生了重大的转变。
2
- of or relating to building or construction（与）建筑（有关）的; （与）构造（有关）的。
派生词
tectonically
adverb词源
mid 17th cent. (in sense 2)： via late Latin from Greek tektonikos, from tektōn 'carpenter, builder'.