English: reverse auction
Welsh: ocsiwn lleihau pris
Subject: TGCh
Welsh definition: The two major types of the electronic auction are forward auction in which several buyers bid for one seller's goods and reverse auction in which several sellers bid for one buyer's order.
Plural: ocsiynau lleihau pris
Notes: Mae’r term hwn yn ymwneud ag ocsiynau ar-lein yn bennaf. Weithiau defnyddir y term ‘reverse eAuction’.