No definitions found for 'viperiform'
Perhaps one of these:
vapor pressure,
vibraphonist,
vapour bath,
vapour pressure,
vaporable,
vipera berus,
vapor burner,
viper fish,
vibrio fetus,
viverra fossa,
vibraphone,
vaporiform,
vapor bath,
vaporific,
vaporability,
vapourific,
vaporiferous