| Subject | English | Maltese |
| chem. | aluminosilicate refractory ceramic fibre | fibri ċeramiki refrattorji alluminosilikati |
| environ. | animal textile fibre A filament or threadlike strand derived from animals that manufacturers use to produce clothes or other goods that require weaving, knitting or felting, which include silk, wool, mohair and other forms of animal hair | fibri tessili tal-annimali |
| mater.sc., industr. | carbon fibre | karbonfajber |
| mater.sc., industr. | carbon fibre | fibra tal-karbonju |
| nat.sc., industr., chem. | carbon fibre preform | preforma tal-fibra tal-karbonju |
| commun., el. | dark fibre | fibra skura |
| food.ind. | dietary fibre | fibra |
| commun., IT, industr. | fibre-based network | netwerk tal-fibrottika |
| commun., IT, industr. | fibre-based network | netwerk ibbażat fuq il-fibra |
| commun., el. | fibre cable | kejbil fibrottiku |
| commun., el. | fibre cable | fibrottika |
| commun., el. | fibre optic cable | kejbil fibrottiku |
| commun., el. | fibre optic cable | fibrottika |
| commun., IT, industr. | fibre-optic network | netwerk tal-fibrottika |
| commun., IT, industr. | fibre-optic network | netwerk ibbażat fuq il-fibra |
| commun. | fibre to the home | fibra sad-dar |
| chem. | glass fibre | fibra tal-ħġieġ |
| chem. | glass fibre | fajberglass |
| environ. | mineral fibre A fiber manufactured from glass, rock, or slag generally for use in fabricating heat insulation | fibra minerali |
| environ. | natural fibre A textile fiber of mineral, plant or animal origin | fibra naturali |
| commun., el. | optical fibre | fibrottika |
| commun., el. | optical fibre cable | kejbil fibrottiku |
| commun., el. | optical fibre cable | fibrottika |
| transp., tech., law | outer fibre | fibra ta' barra |
| environ. | plant textile fibre Natural textile fibres of vegetal origin | fibra tessili veġetali |
| environ. | synthetic fibres industry No definition needed | industrija tal-fibri sintetiċi |
| environ. | synthetic textile fibre An artificially produced filament or threadlike strand used by manufacturers to produce clothes or other goods that require weaving, knitting or felting, including polyester, nylon, rayon and other similar material | fibri tessili sintetiċi |
| forestr. | twisted fibre | vina spirali |
| food.ind. | water soluble soybean fibre | emiċelluloża tas-sojja |
| chem. | zirconia aluminosilicate refractory ceramic fibre | fibri taċ-ċeramika refrattarji tal-aluminosilikat tażżirkonju |
