conterminous
/kɒnˈtɜːmɪnəs/adjective
1- sharing a common boundary有共同边界的; 毗邻的, 邻接的：
the forty-eight conterminous United States.
有四十八个相邻州的合众国。
1.1
- having the same area, context, or meaning有相同范围（或背景, 意义）的：
a genealogy conterminous with the history of the USA.
和美国历史相同的系谱。
派生词
conterminously
adverb词源
mid 17th cent.: from Latin conterminus （from con- 'with' + terminus 'boundary'） + -OUS. Compare with COTERMINOUS.