agrichar en · NOUN
Etymology
From agri- + char, a US trademark.
Meanings
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(uncountable) Biochar produced by a slow pyrolysis process.
I've written before about biochar, or agrichar, or charcoal, or just plain char — it's all pretty much the same.
2009 June 22, Tyler Hamilton, “Sole option is to adapt, climate author says”, in Toronto Star: