沃度 is read as よーど (yoodo) and means iodine (I).
よーど
yoodo
よーどちんき
tincture of iodine
たいど
attitude (towards an issue, etc.)
いちど
temporarily
せいど
system
さいど
a second time
こんど
this time
ねんど
product year
ていど
degree
おんど
temperature
みつど
density
こうど
altitude
かくど
angle