combining form of AMIDE; used also in the phrases amido compounds, amido derivatives, i.e., those in which one atom of hydrogen is replaced by an atom of the radical Amidogen NH2, as Amido-benzine (= ANILINE), Amido-ethane (= ETHYLAMINE), Amido-methane (= METHYLAMINE), Amido-caproic acid, etc.

1

1854.  Pereira, Mat. Med. (ed. 4), I. 938. Amido-chloride of mercury occurs in commerce in masses or in powder.

2

1864.  Reader, 18 June, 782/1. The fluorescence of two new substances—amidophthalic and amidoterephthalic acid.

3

1873.  Fownes, Chem., 683. Alanine, or amidopropionic acid. Ibid., 760. It is converted into amidobenzene or aniline.

4

1877.  Watts, Fownes’ Chem., II. 446. Benzene group: amido derivalives. Ibid. Only, one nitro-group is obtained in the first instance, so that nitro-amido compounds are obtained.

5

1881.  Thudichum, Ann. Chem. Med., II. viii. On the Albuminous Substances, Amides, Amido-Acids, and Ammonium Salts as Sources of the Urea.

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