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				<link:definition>010000 - Document - Document and Entity Information {Elements}</link:definition>
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			<link:roleType roleURI="http://www.virtus.com/20250630/role/RRDetailData2" id="RRDetailData2">
				<link:definition>020102 - Disclosure - Risk/Return Detail Data (Virtus Zevenbergen Technology Fund) {Elements}</link:definition>
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				<link:definition>020101 - Schedule - Risk Table {Transposed}</link:definition>
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			<link:roleType roleURI="http://www.virtus.com/20250630/role/RRCustomRiskRole4" id="RRCustomRiskRole4">
				<link:definition>010004 - Schedule - Investment Risks {Unlabeled}</link:definition>
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