accumulation unit
noun[C]
FINANCEukusasharein aninvestmenttrust(= acompanythatinvestsinsharesof othercompanies), theprofitfrom which is put back into theinvestmenttrustinsteadof beingpaidto theshareholder:
Normalincomeunitspayout thedividendorinterestearnedtoinvestorson aregularbasis, butaccumulationunitsdo not.
asharein avariableannuity(= atypeofinvestmentthat issoldby aninsurancecompanyand makesregularpaymentsto theinvestor)