Freeze drying converts solid water (ice)
directly into water vapor, skipping the liquid phase completely (this is called sublimation).
Some of it is sublimation: an icy asteroid transforming
directly into water vapor as it makes its way toward the sun.
Not exact matches
Some details of the new model may prove to be controversial, particularly the degree to which
water vapor can waft
directly into the upper atmosphere.
By replacing vegetative cover's moist soil, which contributes
water vapor to the atmosphere to help generate rainfall, with bare, shiny desert soil that merely reflects sunlight
directly back
into space, the capacity for rainfall is diminished.
The loss of ice cover not only means that more open
water will be around to
directly warm the air
into the Arctic night, but that more
water vapor will be around to hold heat in.
It originates in clouds when temperatures are below the freezing point (0 degrees Celsius, or 32 degrees Fahrenheit), when
water vapor in the atmosphere condenses
directly into ice without going through the liquid stage.
As we have noted, one of the Achilles heels for the US aviation industry could be the complex mixture of greenhouse gases and precursors — carbon dioxide,
water vapor, and oxides of nitrogen — injected
directly into the atmosphere by every jet and turboprop in the sky.