serration
Số nhiều: serrations
Từ liên quan
notchindentationjaggednesssmoothnesssawbladetoothedgeknifecutslicejaggedroughsharpmetalsteelgrindmillgearcogcombleafbotanyfoliagemarginstomadentateserrateincisedlaciniatesawtoothprofiletexturesurfacefrictiongriptearripcarveengraveetchgrooveridgepeakvalleyamplitudefrequencywaveoscillationpatterngeometryanglepointapexvertexprecisiontoolmachiningindustrialmechanicalanatomyspinescalesharkfishreptiledinosaurclawthorn