1. additive
These sweets contain lots of artificial additives.
This margarine is full of additives - just look at the label!
It's not possible to state that a certain gas causes a certain percentage of the greenhouse effect because the influences of the various gases are not additive.
There were several deaths from lead poisoning at the factory where the additive was produced.
Are all those additives they put in food really necessary?
Some additive improve the colour and taste of food
... in the area of additive manufacturing, also known as 3...
He turned to his orange juice sullenly, sneering that every little additive would sign him up for experiments he wanted no part in.
Additive synthesis involves manually controlling harmonics, and uses only sine waves.
2. supplement
I always read the supplement whilst my partner reads the main newspaper.
You had better supplement your diet with vitamins.
We paid off the mortgage in 1994 and kept the endowment going to use as a supplement to our pension.
Do you take any supplements? dietary supplement. advertising supplement
Farmers often moonlight to supplement their incomes.