1. A survey or poll that covers only a portion of a population or area, rather than the entire group
The market research team conducted a partial survey of customers in three regions.
A equipe de pesquisa de mercado realizou uma sondagem parcial com clientes em três regiões.
2. In geology or drilling, an exploration activity that examines only certain depths or locations
Engineers performed a partial survey of the geological layers before planning the construction.
Os engenheiros realizaram uma sondagem parcial das camadas geológicas antes de planejar a construção.