Is there some sort of state of matter between a liquid and a gas?

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There is a state of matter between a liquid and a gas known as a supercritical fluid, which occurs when a substance reaches a critical temperature and pressure. This state exhibits properties of both liquids and gases, depending on the definition used. Additionally, examples like water droplets in clouds and gas molecules adsorbed on charcoal illustrate intermediate states. The discussion also touches on the vitreous state of glass as an example of an intermediate between solid and liquid. Understanding these states depends on the specific definitions and contexts applied.
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We've all heard of the three states of matter: solids, liquids, and gases. Recently someone told me that there is some sort of state of matter between a liquid and a gas. Does anyone know what he's talking about?
 
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Supercritical fluid perhaps.
 
It really depends upon your definition of state.
And also what you mean by between a liquid and a gas. Both are fluids, a liquid is constrained by its surface in a way that a gas is not.

Some might say that water droplets dispersed in the air (clouds) correspond to your requirements.

Others might point to the adsorbed state of gas molecules on charcoal.

Of course it is easier to find examples where the rheology allows intermediacy between solid and liquid eg glass - the vitreous state.
 
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