Capable of being accumulated; able to be gathered, collected, or built up over time.
From accumulate + '-able' (suffix meaning capable of being). A technical term used in scientific, legal, and business contexts to describe things that can be amassed.
Carbon dioxide is accumulable in the atmosphere—greenhouse gases don't disappear quickly, which is why climate change accelerates over decades even if emissions stay the same, creating a delayed and growing crisis.
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