Preposition: from

• surface: These diffuse to the surface to be etched, form volatile products which then desorb from the surface and are pumped away.

Modifying Another Word

• then: These diffuse to the surface to be etched, form volatile products which then desorb from the surface and are pumped away.

Object

• vapor: Naturally breathable Thermafleece, being hygroscopic, can absorb and desorb water vapor without compromising its thermal efficiency.

• atom: We use the STM tip to selectively desorb individual H atoms, whilst leaving the vacancies intact.