What does "siphoning" mean?
The operation of a siphon.
noun, verb ·3 syllables ·Uncommon ·Advanced level
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"Stanford University electrical engineering professor Shanhui Fan said the panels—which include a layer of material similar to what is found in sand—act like a kind of high-tech mirror, both siphoning heat out of the buildings and reflecting the sun's rays, sending both 100 kilometers up into the coldness of space."
The operation of a siphon.
Common synonyms include: aspiration, bleeding, bloodletting, broaching, cupping, divert.
Stanford University electrical engineering professor Shanhui Fan said the panels—which include a layer of material similar to what is found in sand—act like a kind of high-tech mirror, both siphoning heat out of the buildings and reflecting the sun's rays, sending both 100 kilometers up into the coldness of space.