composés chimiques
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Kodak D-76 | Objet | 4 | 1.2 |
| Kodak Xtol | Objet | 4 | 2.1 |
| Koh-i Nor | Minéral | 62 | 49.3 |
| Kojibiose | Concept | 11 | 0.8 |
| Koto | Composé Chimique | 6 | 4.8 |
| Kouros | Concept | 2 | 4.1 |
| Kreep | Substance | 21 | 1.4 |
| Kristensen | Composé Chimique | 1 | 0.1 |
| Krypton 85 | Concept | 10 | 2.4 |
| Kulhar | Substance | 14 | 0.3 |
| Kumbha | Substance | 10 | 1.7 |
| Kush | Concept | 4 | 0.0 |
| Kvevri | Substance | 28 | 5.7 |
| Kyathos | Substance | 21 | 1.1 |
| Kynurénine | Concept | 21 | 5.9 |
| Kyotorphin | Concept | 10 | 0.4 |
| Kyphi | Substance | 9 | 9.4 |
| Kératine | Composé Chimique | 63 | 197.0 |
| Kératohyaline | Concept | 3 | 7.5 |
| Kérogène | Substance | 32 | 21.0 |
| Kérosène | Objet | 98 | 224.5 |
| Kétamine | Concept | 74 | 414.5 |
| Kétazolam | Concept | 19 | 1.4 |
| Kétoconazole | Concept | 34 | 40.2 |
| Kétorolac | Concept | 28 | 15.2 |
| Kétotifène | Concept | 27 | 9.5 |
| L'air du Temps | Concept | 4 | 6.9 |
| L'eau D'hadrien | Concept | 1 | 4.9 |
| L'eau D'issey | Concept | 3 | 0.1 |
| L'esprit de de Grisogono | Minéral | 4 | 7.2 |
| L'origan de Coty | Concept | 1 | 0.3 |
| L-alpha-glycérophosphorylcholine | Concept | 14 | 6.1 |
| L-carbocystéine | Concept | 21 | 13.4 |
| L-chiro-inositol | Concept | 5 | 0.2 |
| L-cystéine | Concept | 61 | 86.2 |
| L-glutamate Monosodique | Concept | 71 | 234.5 |
| L-histidine | Concept | 63 | 61.2 |
| L-homosérine | Concept | 23 | 0.8 |
| L-lanthionine | Concept | 16 | 0.9 |
| L-norvaline | Concept | 17 | 1.1 |
| L-ornithine | Concept | 42 | 21.2 |
| L-selectride | Concept | 13 | 0.5 |
| L-sélénocystéine | Concept | 40 | 14.9 |
| L-tartrate de Calcium | Concept | 18 | 1.8 |
| L-thréonate de Magnésium | Concept | 9 | 2.8 |
| L-thyroxine | Concept | 34 | 87.4 |
| L-tyrosine | Concept | 64 | 130.5 |
| L-érythro Bioptérine | Concept | 13 | 1.5 |
| La Petite Robe Noire | Concept | 1 | 23.4 |
| La Rose Jacqueminot | Concept | 1 | 0.8 |