Acts 10:4

Then looking stedfastly on him, and being terrified, he said, What means this, Lord? And he said unto him, Thy prayers and thine alms are come up for a memorial before God.

Ephesians 5:2

and walk in love as Christ also hath loved us, and given himself for us, an oblation and sacrifice to God, for an odour of a sweet smell.

Treasury of Scripture Knowledge

Summary

Then shall he bring it to the priest, and the priest shall take his handful of it, even a memorial thereof, and burn it on the altar, according to the offerings made by fire unto the LORD: it is a sin offering.

Bible References

A memorial

Acts 10:4
Then looking stedfastly on him, and being terrified, he said, What means this, Lord? And he said unto him, Thy prayers and thine alms are come up for a memorial before God.
Ephesians 5:2
and walk in love as Christ also hath loved us, and given himself for us, an oblation and sacrifice to God, for an odour of a sweet smell.