耦合

coupling (physics) / copula (statistics) / to be coupled (with sth)

a pair / a mate / a couple / to couple / plowshare

100 ml / one-tenth of a peck / measure for dry grain equal to one-tenth of sheng 升 or liter, or one-hundredth dou 斗

to close / to join / to fit / to be equal to / whole / together / round (in battle) / conjunction (astronomy) / 1st note of pentatonic scale / old variant of 盒[he2]

variant of 合[he2]

charge-coupled device (CCD) (electronics)

optocoupler (electronics)

electric charge coupling