Definition of 直鎖 (ちょくさ)
ちょくさ
                        直鎖
ちょくさ
chokusa
prenominal, no-adjective
•
        
straight-chain, open-chain, acyclic, linear(chemistry term)
Related Kanji
| 直 | straightaway, honesty, frankness, fix, repair | 
| 鎖 | chain, irons, connection |