Tiexnzuu-phøf
Tiexnzuu-phøf (電磁波 electromagnetic radiation) si u tiexntviuu (electric field) hafm zutviuu (magnetic field) ti khongkafn thoanpøx ee 1 ciorng phøf. Tiexnzuphøf ma høxzøx tiexnzuu hoksia; larn pengsox korng ee kngf, khengsit tiøqsi tiexnzuphøf. Tiexntviuu hafm zutviuu cviazøx 90° teq hvaetang (oscillate), kab thoanpøx ee honghioxng ma lorng siøf khiaxtit.
Tiexnzuphøf u lengliong hafm uxntong-liong, extaxng thoaan ho tuo`tiøh ee budcid.