| KEVLAR | A synthetic fibre developed at DuPont in 1965, consisting of long-chain polyamides, with a high tensile strength and temperate resistance |
| PROTEIN | Any of a class of compounds consisting of long chains of amino acids (7) |
| ELASTOMER | Rubbery material composed of long chain-like molecules |
| STROBILA | Segmented part of the body of a tapeworm, consisting of a long chain of linked proglottids (8) |
| ACRYLIC | What word is applied to both a synthetic fibre used in knitwear and a type of paint? (7) |
| NYLON | Synthetic polyamide fibre developed by US chemist Wallace Carothers in the 1930s (5) |
| BALANCEBEAMS | Pieces of artistic gymnastics apparatus consisting of long, narrow horizontal bars of wood (7,5) |
| BENEDICTINE | Greenish-yellow liqueur made from a secret formula developed at a monastery at Fecamp in France in about 1510 |
| POLYMER | Compound consisting of a long chain of molecules (7) |
| RAYON | Textile fibre developed in the 19th century as a substitute for silk, chiefly manufactured from regenerated wood cellulose (5) |
| SEV | Indian snack consisting of long, thin strands of gram flour, deep-fried and spiced (3) |
| FOUNTAINS | Ornamental features consisting of long narrow streams of water forced up into the air by pumps (9) |
| TEFLON | What synthetic fluoropolymer was trademarked by DuPont in 1945 and is best known for its use in kitchens? (6) |
| SPEARS | Weapons consisting of long wooden shafts with sharp points |
| TERYLENE | A synthetic fibre of polyester fibres (8) |
| NEOPRENE | Durable synthetic rubber developed by US chemical company DuPont in 1930 (8) |
| ORLON | A crease-resistant acrylic fibre created by DuPont in 1941 |
| STRIPLIGHTING | Illumination consisting of long tubes (5-8) |
| LYCRA | A synthetic fibre (5) |
| BISCUIT | Fired but unglazed porcelain developed at Sevres and imitated in the form of Parian ware; custard cream; or, a shuffleboard puck (7) |