The Dictionary of the Climate Debate (DCD)

Definition: The transition of a chemical compound or element from a solid to a gas with no intermediate liquid stage.

1. At different temperatures, most chemical compounds and elements have three different states: solid, liquid, and gas. In these cases, the transition from the solid to gas requires passing through a liquid state. But some elements, such as CO2 when solid (Aka dry ice), can change directly from solid to gas if, for example, the atmospheric pressure is low.

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