| French | English |
| additif de boue de forage | mud additive |
| additif métallique | metallic additive |
| additif pour carburants | fuel additive Substance (such as tetraethyl lead) which is added to petrol to prevent knocking |
| additif pour combustibles | fuel additive |
| additifs alimentaires et colorants | food additive Substances that have no nutritive value in themselves (or are not being used as nutrients) which are added to food during processing to improve colour, texture, flavour, or keeping qualities |
| additifs alimentaires et colorants | food additive |
| emploi d'additifs à base de plomb | use of lead-based additives |