His invention was also useful in creating white-light-emitting diodes, which may someday replace incandescent bulbs as a source of indoor lighting.

He also predicted that voice-recognition software might someday replace the Windows graphical interface.

They'd cost a pretty penny to replace someday, but he couldn't afford to worry about that now.

The Erdmans planted these dinner-table crops in recent years to supplement, and perhaps someday even replace, the family's more traditional dairy, hay, corn and soybean operations.

A recent survey suggests that the PC may someday replace the TV as the main source for electronic home entertainment.

For many years, analysts have predicted that debit cards will someday replace many of the cash transactions that account for about 87 percent of all consumer purchases.

The birthplace of Japanese capitalism, Osaka has a manufacturing center that may someday replace Tokyo as the economic hub of Japan.

The United States Treasury has tested at least four polymer compounds, seeking a plastic that might someday replace the paper greenback.

There are still plenty of obstacles to mass-producing a system that could someday replace, or at least compete head to head, with the internal combustion engine.

John Elway, the Broncos' standout quarterback whom Maddox may someday replace, was obtained by Denver through a trade.