| Subject | Italian | English |
| environ., chem. | 4-amino-3-metil-6-fenil-1,2,4-triazin-5-one | metamitron |
| environ., chem. | 4-amino-3-metil-6-fenil-1,2,4-triazin-5-one | 4-amino-3-methyl-6-phenyl-1, 2, 4-triazin-5-one |
| health., nat.res., anim.husb. | approccio di tipo "one health" | one health approach |
| chem. | decacloropentaciclo5,2,1,02,6,03,9,05,8decan-4-one | chlordecone |
| chem. | decacloropentaciclo5,2,1,02,6,03,9,05,8decan-4-one | Decachloropentacyclo /5, 2, 1, O2, 6, O3, 9, O5, 8/ decan-4-one |
| social.sc., sociol. | 6-Dimetilamino-4,4-difenileptan-3-One | methadone |
| social.sc., sociol. | 6-Dimetilamino-4,4-difenileptan-3-One | dolly |
| social.sc., sociol. | 6-Dimetilamino-4,4-difenileptan-3-One | wafer |
| social.sc., sociol. | 6-Dimetilamino-4,4-difenileptan-3-One | biscuit |
| chem. | 6-Dimetil-eptan-4-one | Di-isobutyl ketone |
| chem. | 6-Dimetil-eptan-4-one | 6-Dimethylheptan-4-one |
| chem. | 2,4-dimetilpentan-3-one | 2, 4-dimethylpentan-3-one |
| gen. | i paesi e territori d'oltremare costituiscono l'oggetto dello speciale reoime di associazi one | the special arrangements for association shall apply to the overseas countries and territories |
| chem. | 3-isopropil-1H-2,1,3-benzotiadiazin-4-3H-one-2,2-diossido | bentazone |
| chem. | 3-isopropil-1H-2,1,3-benzotiadiazin-4-3H-one-2,2-diossido | 3-Isopropyl-1H-2, 1, 3-benzothiadiazin-4-one 2, 2-dioxide |
| chem. | 6-metil-1,3-ditiolo4,5-bchinossalin-2-one | 6-methyl-1, 3-dithiolo4,5-bchinoxalin-2-one |
| chem. | 6-metil-1,3-ditiolo4,5-bchinossalin-2-one | quinomethionate |
| chem. | 6-metil-1,3-ditiolo4,5-bchinossalin-2-one | chinomethionat |
| chem. | 5-metilesan-2-one | 5-methylhexane-2-one |
| chem. | 4-metilpentan-2-one | 4-methylpentan-2-one |
| chem. | 4-metossi-4-metilpentan-2-one | 4-methoxy-4-methylpentane-2-one |
| commun., IT | modo di comunicazione one-to-many | one-to-many communication mode |
| commun., IT | modo di comunicazione one-to-one | one-to-one communication mode |
| econ., environ., UN | "One UN" | delivering as one |
| comp., MS | password monouso, One Time Password | one-time password (Passwords produced by special password generating software or by a hardware token and that can be used only once) |
| chem. | pentano-3-one | pentan-3-one |
| tech. | prova "one-stop" | one-stop testing |
| stat. | Two One-Sided Tests | two one-sided tests methodology |
| stat. | Two One-Sided Tests | two one-sided tests procedure |
| stat. | Two One-Sided Tests | two one-sided tests |
| polit. | Unità One-Stop Shop per i deputati | One-Stop Shop for Members Unit |
