noun
heat spreader
A component in electronics and computing that distributes heat from a hot spot to a larger surface area, often used with CPUs or other chips.
CPUとヒートシンクの間にヒートスプレッダが取り付けられている。
A heat spreader is installed between the CPU and the heat sink.
Variant with interpunct, sometimes seen in technical writing.
A heat sink dissipates heat into the surrounding air, while a heat spreader primarily distributes heat across a surface.
Borrowed from English 'heat spreader'.