The IF function is one of the most popular and useful functions in Excel. You use the IF function to ask Excel to test a condition and to return one value if the condition is met, and another value if the condition is not met.
1. 'sink'. If something sinks, it moves slowly downwards. Sink is especially used to say that something moves downwards below the surface of water. The boat was sinking. To sink a ship means to cause it to sink. The Confederates managed to sink one ship and damage another. 2. 'sank' and 'sunk'.
Print Email. A sinkhole, also known as a sink-hole, sink, swallow hole, shakehole, swallet or doline, is a natural depression or hole in the Earth's surface which may have various causes. Some are caused by karst processesâfor example, the chemical dissolution of carbonate rocks or suffosion processes in sandstone.