thickening

Some developed a thickening of their womb linings, a potential precursor to cancer.

Even a slight thickening of myelin -- in this case, by several hundred nanometers -- can affect brain function and behavior.

Carrageenan is derived from a seaweed, to add a thickening texture and preserve the product.

The juxtaposed images show the Central Valley turning from brown to a deep green and snow thickening substantially in the Sierra Nevada Mountains.

It works by thinning the lining of the uterus, which can prevent sperm from reaching an egg by thickening mucus in the cervix — but it’s not 100 percent effective.