come in/into contact with

: union or junction of surfaces

: the apparent touching or mutual tangency of the limbs of two celestial bodies or of the disk of one body with the shadow of another during an eclipse, transit, or occultation

: the junction of two electrical conductors through which a current passes

: to make contact

: to bring into contact

: to enter or be in contact with : join

: maintaining, involving, or activated or caused by contact