skim

Imagine you're in a bookstore but don't have time to read every page of every book. You look at the title, read the blurb on the back, and flip through a few pages quickly—that's skimming. It means reading or looking at something fast to get the main idea without paying attention to every detail.

You might skim a newspaper to catch the headlines or skim an email to see if it's important before reading it closely. Beyond reading, the word can also describe a light movement across a surface, like a stone skipping across a lake, or the act of taking fat or foam off the top of soup. The idea is the same each time: staying near the surface instead of going deep.

To skim means to read or examine something quickly in order to extract the main points rather than reading every word carefully. It is like flying over a landscape instead of walking through it; you see the broad outlines and major landmarks but miss the minute details. For example, "She skimmed the report before the meeting," implies she quickly reviewed the text to understand the key findings rather than studying every statistic.

Skimming is not limited to reading. The word also describes an object moving lightly and rapidly just above or across a surface. A boat might skim across the water, or a bird might skim over a field. It also describes the physical act of removing a layer from the surface of a liquid, such as skimming cream from fresh milk or clearing foam from a simmering broth. In a modern context, the term is also used in the phrase "credit card skimming," which means stealing card information, usually with a hidden device.

The origin of "skim" is related to the word "scum," deriving from roots that refer to the foam or froth that rises to the top of a liquid. This history carries through to all its modern meanings: whether you are catching the "froth" of a news story or watching a dragonfly glide over a pond, "skim" always suggests speed, lightness, and a focus on the overall surface rather than the details beneath.