连通

to connect / to communicate / to relate / (math.) connected

surname Lian

to link / to join / to connect / continuously / in succession / including / (used with 也[ye3], 都[dou1] etc) even / company (military)

to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc

classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

communicating vessels (in scientific experiment)