An older name being retained as the thing named evolved (e.g. pencil lead, tin can, mince meat pie, steamroller, tin foil, clothes iron. This is essentially a metaphorical extension with the older item standing for anything filling its role.

The "lead" in pencils is made of graphite and, clay not lead; graphite was originally believed to be lead ore, but this is now known not to be the case. The graphite and clay mix is known as plumbago, meaning "lead ore" in Latin.

Blackboards can be black, green, red, or blue. And sticks are no longer made of chalk, but of gypsum

Tin foil is almost always actually aluminum, whereas tin cans made for the storage of food products are made from steel plated in a thin layer of tin. In both cases, tin was the original metal.

Telephone numbers are usually referred to as being "dialed" although rotary phones are now rare.

When a computer program is electronically transferred from disk to memory, this is referred to as loading the program. "Load" is a holdover term from the mid-20th century, when programs were created on punched cards and then loaded into a hopper for automated processing.

In golf, the clubs commonly referred to as woods are usually made of metal. The club heads for "woods" were formerly made predominantly of wood.