- synclinal (adj.)
[synclinal 词源字典]
- "sloping downward on both sides," 1833 (in Lyell), from -al (1) + Latinized form of stem of Greek synklinein "to incline, lean," from syn- "together" (see syn-) + klinein "to slope" (see lean (v.)).[synclinal etymology, synclinal origin, 英语词源]