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Pronunciation varies by accent · noun
A device that alters the aerodynamics of an airplane, glider etc, allowing it to descend quickly but safely, especially when caught in a thermal.
"One of the most bittersweet joys in model aviation is an out of sight flight by a Free Flight model. While we all strive for our models to fly as well as we can, it is possible to have a model fly too well. Well trimmed, and with a bit of luck, a model can be caught in a thermal and climb to beyond the limits of our vision. It is the purpose of a dethermalizer to effect a change in the geometry of a model, such that it descends more rapidly, yet still safely. Getting the DT to activate after a target time is the job of a DT timer." ~ Thayer Syme. Reprinted with permission.
Use dethermalizer when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dethermalizer means A device that alters the aerodynamics of an airplane, glider etc, allowing it to descend quickly but safely, especially when caught in a thermal.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
"One of the most bittersweet joys in model aviation is an out of sight flight by a Free Flight model. While we all strive for our models to fly as well as we can, it is possible to have a model fly too well. Well trimmed, and with a bit of luck, a model can be caught in a thermal and climb to beyond the limits of our vision. It is the purpose of a dethermalizer to effect a change in the geometry of a model, such that it descends more rapidly, yet still safely. Getting the DT to activate after a target time is the job of a DT timer." ~ Thayer Syme. Reprinted with permission.
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