'Oil' in the Bible

Is there no life-giving oil in Gilead? is there no expert in medical arts? why then have my people not been made well?

So they will come with songs on the high places, flowing together to the good things of the Lord, to the grain and the wine and the oil, to the young ones of the flock and of the herd: their souls will be like a watered garden, and they will have no more sorrow.

As for me, I will be living in Mizpah as your representative before the Chaldaeans who come to us: but you are to get in your wine and summer fruits and oil and put them in your vessels, and make living-places for yourselves in the towns which you have taken.

But there were ten men among them who said to Ishmael, Do not put us to death, for we have secret stores, in the country, of grain and oil and honey. So he did not put them to death with their countrymen.

Go up to Gilead and take sweet oil, O virgin daughter of Egypt: there is no help in all your medical arts; nothing will make you well.

Sudden is the downfall of Babylon and her destruction: make cries of grief for her; take sweet oil for her pain, if it is possible for her to be made well.