composés chimiques
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Spinacétine | Concept | 8 | 0.3 |
| Spinosad | Concept | 13 | 21.4 |
| Spipérone | Concept | 12 | 0.5 |
| Spiramycine | Composé Chimique | 25 | 48.9 |
| Spironolactone | Concept | 36 | 77.2 |
| Spirooxazine | Concept | 2 | 0.2 |
| Spiropentadiène | Concept | 10 | 0.0 |
| Spiropentane | Concept | 9 | 0.1 |
| Spirotétramate | Concept | 7 | 0.0 |
| Spiruline | Aliment | 39 | 245.7 |
| Splicéosome Mineur | Concept | 2 | 0.0 |
| Sporopollénine | Composé Chimique | 17 | 5.6 |
| Spray Temporaire | Substance | 23 | 3.0 |
| Squalène | Concept | 37 | 99.2 |
| Stachyose | Concept | 27 | 4.9 |
| Staff | Substance | 3 | 30.3 |
| Stamnos | Substance | 20 | 16.4 |
| Stannane | Concept | 24 | 1.3 |
| Stannocène | Concept | 6 | 0.0 |
| Stannole | Concept | 8 | 0.3 |
| Stanozolol | Concept | 30 | 26.2 |
| Staphyloxanthine | Concept | 10 | 0.0 |
| Statine | Concept | 50 | 149.8 |
| Statue-menhir de Caramat | Substance | 2 | 0.1 |
| Stavudine | Concept | 30 | 1.7 |
| Stercobiline | Concept | 22 | 6.9 |
| Stercobilinogène | Concept | 18 | 2.1 |
| Steviol | Concept | 18 | 0.0 |
| Stigma | Concept | 12 | 7.2 |
| Stigmastane | Composé Chimique | 5 | 0.1 |
| Stigmastérol | Concept | 21 | 3.5 |
| Stigmines | Composé Chimique | 6 | 0.7 |
| Stil de Grain | Substance | 7 | 2.4 |
| Stilbène | Composé Chimique | 12 | 16.1 |
| Stilbénoïde | Composé Chimique | 15 | 4.4 |
| Stimulant | Composé Chimique | 51 | 50.1 |
| Stomatol | Organisation | 3 | 0.4 |
| Streptokinase | Composé Chimique | 27 | 9.2 |
| Streptomycine | Concept | 59 | 48.1 |
| Streptozotocine | Concept | 24 | 4.8 |
| Strictosidine | Concept | 9 | 0.2 |
| Strigolactone | Concept | 15 | 3.5 |
| Strobilurine | Concept | 10 | 2.0 |
| Strontium 90 | Concept | 19 | 13.2 |
| Strychnine | Concept | 55 | 92.2 |
| Stuc | Substance | 51 | 72.3 |
| Stupéfiant | Concept | 15 | 96.1 |
| Style | Substance | 38 | 11.2 |
| Styphnate de Plomb | Concept | 19 | 4.9 |
| Styrène | Concept | 57 | 66.7 |