Simple past tense and past participle of lyophilise.(verb)
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Use "lyophilised" in a sentence
"One dose vial of lyophilised Anti-Snake Veno Serum with 10 ml. ampoule of Sterile water for injection."
"How many times a day do you find yourself saying "Gosh, I really feel like some lyophilised ice cream" - we know, the answer is hundreds!"
"Now, if by chance you didn't have a craving for lyophilised ice cream and possibly didn't even know what it meant (it means "freeze dried" by the way) - then prepare to have your taste buds rocked!"