noun
1.A drink, remedy, or extract prepared by soaking tea leaves or herbs in liquid.
‘a strong rosemary infusion’
‘To prepare the infusion, steep one-half ounce of each of these herbs in four cups of boiling water for two hours.’
2.The introduction of a new element or quality into something.
‘the infusion of $6.3 million for improvements’
‘an infusion of youthful talent’
3.The process of preparing an infusion.
‘It was used widely as a medium for the infusion of medicinal herbs.’
‘They have also been used, by infusion, to colour milk destined for cake-making, thus giving the cake a richer colour.’
4.The slow injection of a substance into a vein or tissue.
‘a four-hour intravenous infusion’
‘One week after the second infusion, he developed a limited skin rash, fever, and mouth vesicles and ulcers, suggestive of herpesvirus infection.’
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