valovno čelo
1. valovno čelo
all the points just reached by a wave as it propagates [vsi kraji, do katerih je prišel val, medtem ko se širi]
2. valovna fronta, valovno čelo
(physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium [(fizika) izmišljena površina, ki povezuje vse točke v prostoru, dosežene istočasno s širjenjem vala skozi sredstvo]
Dostopnost
Dostopnost