amido-

American  

1. a combining form used in the names of chemical compounds in which the −NH 2 group united with an acid radical is present.

   amidocyanogen.

2. (erroneously) amino-.

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amido- British  

combining form

1. (in chemistry) indicating the presence of an amide group

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Etymology

Origin of amido-

amide + -o-

Example Sentences

Solutions of diazo-salts act not only upon amido- and diamido-compounds, as we have seen in the case of aniline yellow and chrysoïdine, but also upon phenols, forming acid azo-colours.

From Coal and What We Get from It by Meldola, Raphael