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dissipator

noun
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dis·​si·​pa·​tor | \ ˈdisəˌpātə(r), -ātə- \
plural -s

Definition of dissipator

: dissipater specifically : a part of a glacier in which the loss by melting exceeds the gain by the accumulation of snow

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“Dissipator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dissipator. Accessed 20 Apr. 2021.

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