| Maltese | English |
| dibattitu dwar in-nukleari | nuclear debate The ongoing, public discussion and dispute over the uses of energy |
| intervent fuq in-natura u l-pajsaġġ | intervention in nature and landscape Stepping in or participating in problem solving efforts for troublesome or perplexing situations involving the natural world or scenery |
| konservazzjoni in situ | in situ conservation |
| relazzjoni bejn it-Tramuntana u n-Nofs in-nhar | North-South relationship The connections, associations or involvement of developed nations, found predominantly in the Northern Hemisphere, with developing nations, found predominantly in the Southern Hemisphere |
| test in vitro | in vitro assay Assay taking place in an artificial environment |
| test in vivo | in vivo assay Experiments that are carried out in the living organism |
| ward in-Nil | water hyacinth Floating aquatic plant, Eichornia crassipes of tropical America, having showy bluish-purple flowers and swollen leafstalks: family Pontederiaceae. It forms dense masses in rivers, ponds, etc., and is a serious pest in the southern U.S., Java, Australia, New Zealand, and parts of Africa |
