Navigate to the ringtone file on your computer and click Transfer.. If you do not have any ringtone files, you can create your own ringtones using apps on your iPhone or in iTunes. Also, there are several websites that offer free iPhone ringtone files, which can be found quickly using your favorite web search engine.
Definition of convection. 1  1 : the action or process of conveying. 2  2a : movement in a gas or liquid in which the warmer parts move up and the cooler parts move down convection currentsb : the transfer of heat by convection foods cooked by convection â compare conduction, radiation.
caustic - of a substance, especially a strong acid; capable of destroying or eating away by chemical action. corrosive, erosive, mordant, vitriolic. destructive - causing destruction or much damage; a policy that is destructive to the economy; destructive criticism.