Simple past tense and past participle of autoclave.(verb)
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Use "autoclaved" in a sentence
"Although I think that carbon fiber autoclaved dry layup (current carbon fiber helmets are wet layup heavy same as advanced fiberglass) would be an ingenious (and expensive) solution to a non existent problem lighter weight more aero helmets are always welcome."
"Actually, I think I did work with cultures such as yours, but, when I finished, I properly autoclaved the Petri dish and safely disposed of the waste."
"It is true I have encountered many such cultures as you seem to exemplify, but, after I was finished with them, I autoclaved the Petri dish and disposed of the contents in accordance with biosafety rules. my research includes living and working in different countries and in different cultures."