| Subject | English | Romanian |
| amp. | addition of tannin | tratare cu tanin |
| math. | addition of variates | suma variabilelor aleatorii |
| math. | addition of variates | suma variabilelor |
| comp., MS | addition operator | operator de însumare (The + character, used to indicate addition or a positive number) |
| environ. | addition polymer A polymer formed by the chain addition of unsaturated monomer molecules, such as olefins, with one another without the formation of a by-product, as water; examples are polyethylene, polypropylene and polystyrene | polimer de adaos |
| agric. | grape must with fermentation arrested by the addition of alcohol | must de struguri proaspăt tăiat cu alcool |
| agric. | grape must with fermentation arrested by the addition of alcohol | mistel |
| econ. | income in addition to normal pay | venit nesalarial |