dinitro-

prefix

chemistry. (of a chemical) containing two nitrogen groups in place of two hydrogen atoms

⇒ dinitrophenol

dinitro- Chem.|daɪˈnaɪtrəʊ-|(Before a vowel dinitr-).[f. di-² + nitro-.]1. Having two equivalents of the radical NO₂ taking the place of two atoms of hydrogen, as dinitrobenzene C₆H₄(NO₂)₂, dinitrophenol C₆H₄(NO₂)₂O.1869Roscoe Elem. Chem. 409 We also know a solid substance called di-nitro-benzol.1873Fownes' Chem. (ed. 11) 760 Dinitrobenzene is produced by warming benzene with a mixture of nitric and sulphuric acids.1892Pall Mall G. 17 Oct. 7/2 Aniline colours which are positively poisonous..are picric acid and its salts..dintro-cresol, and aurantia.2. dinitro-ˈcellulose, a substance C₆H₈(NO₂)₂O₅, analogous to gun-cotton (trinitro-cellulose), produced by the action of a mixture of nitric and sulphuric acids on cotton, whereby two of the hydrogen atoms in the cellulose C₆H₁₀O₅ are replaced by NO₂. Also called soluble pyroxylin: its solution in ether and alcohol forms collodion.

dinitro-
combining form
Etymology: International Scientific Vocabulary di- + nitr-
: containing two nitro groups

dinitro-

Prefix

chemistry containing two nitro groups (-NO₂)

词汇	dinitro-
词根词缀	Collins OED Webster Wiktionary dinitro- prefix chemistry. (of a chemical) containing two nitrogen groups in place of two hydrogen atoms ⇒ dinitrophenol dinitro- Chem.\|daɪˈnaɪtrəʊ-\|(Before a vowel dinitr-).[f. di-² + nitro-.]1. Having two equivalents of the radical NO₂ taking the place of two atoms of hydrogen, as *dinitrobenzene* C₆H₄(NO₂)₂, *dinitrophenol* C₆H₄(NO₂)₂O.1869Roscoe Elem. Chem. 409 We also know a solid substance called di-nitro-benzol.1873Fownes' Chem. (ed. 11) 760 Dinitrobenzene is produced by warming benzene with a mixture of nitric and sulphuric acids.1892Pall Mall G. 17 Oct. 7/2 Aniline colours which are positively poisonous..are picric acid and its salts..dintro-cresol, and aurantia.2. dinitro-ˈcellulose, a substance C₆H₈(NO₂)₂O₅, analogous to gun-cotton (trinitro-cellulose), produced by the action of a mixture of nitric and sulphuric acids on cotton, whereby two of the hydrogen atoms in the cellulose C₆H₁₀O₅ are replaced by NO₂. Also called soluble pyroxylin: its solution in ether and alcohol forms collodion. dinitro- combining form Etymology: International Scientific Vocabulary di- + nitr- : containing two nitro groups dinitro- Prefix chemistry containing two nitro groups (-NO₂)
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