layer

But how many layers down will it eventually go?

Nevertheless, his account of how he realized that layering hyperlinks could “connect everyone” and why he chose to keep his source code open to the public is truly fascinating.

Designing the wheels is another challenge, as the Moon's surface is covered with a sticky layer of fragmented rock and dust called regolith.

But the delight is in the theorizing, in the layering of lore and anticipation.

Non-melanoma skin cancer is mainly caused by ultraviolet light - which comes from the sun and is used in sunbeds - and starts in the top layer of skin.