| ISOMERS | What, in chemistry, are compounds that are isomeric with one or more other compounds (7) |
| ISOMER | Which compound is isomeric with one or more other compounds (6) |
| NITRATE | What, in chemistry, is a salt of nitric acid (7) |
| SOPHISTRY | So physics and chemistry are less content with specious reasoning (9) |
| SESELI | Genus of over 100 herbaceous perennial plants of the Umbelliferae family whose umbels are compound, with bracts few or absent |
| THUG | A plant so vigorous that it quickly swamps one or more other plants, is often referred to as this! (4) |
| METAMER | Compound that contains the same number and type of atoms as other compounds but with a different distribution of radicals |
| LETTER | Any one of the characters of the alphabet traditionally intertwined with one or more others to form a monogram or embroidered onto a sampler (6) |
| BUTANOL | One of the colourless isomeric liquid alcohols commonly used as solvents; butyl alcohol (7) |
| STEROID | Class of compounds that includes hormones and vitamins (7) |
| BOWKNOT | Interlacement with one or two loops (7) |
| PASTICHEUR | A writer or composer whose work imitates the style of one or more others |
| AMINOACID | One of a group of organic compounds that are the building blocks of proteins |
| OPENSANDWICHES | Single pieces of bread or toast with one or more food items on top (4,10) |
| AUXINS | Compounds that are translocated in phloem (6) |
| VELOCIPEDE | Term, first coined in 1818, for any human-powered land vehicle with one or more wheels, most commonly the bicycle |
| VITAMINS | Organic chemical compounds that are essential for a healthy body (8) |
| PIDGIN | A languago made up of elements of two or more other languoges (6) |
| PLUGS | Devices with one or more pins, used to make an electrical connection (5) |
| CACTI | Caught by the law with one or more desert natives (5) |
