移流 is read as いりゅう (iryuu) and means advection.
いりゅう
iryuu
いどう
mobile
いみん
immigrant
いてん
transfer (of deeds, property, etc.)
いしょく
porting (software)
いじゅう
migration
うつす
to change the object of one's interest or focus
うつる
to be permeated by a colour or scent
いこう
transfer (of powers, weight, etc.)
いそう
transfer
いかん
transfer of control
うつりかわり
change (e.g. season)
いせき
transfer (of one's name into another family register)