The prefix "cyano-" is commonly used in chemistry to refer to compounds that contain a carbon atom triple-bonded to a nitrogen atom. However, there are several other synonyms in chemistry that can be used to describe similar compounds. One such synonym is "nitrile", which refers to a class of organic compounds that have a carbon-nitrogen triple bond. Another synonym is "cyanide", which is a compound that contains a carbon atom triple-bonded to a nitrogen atom with a negative charge. In addition, the prefix "cyan-" can be used to refer to colors that are blue-green in hue, such as cyanobacteria or cyanotype photography. Overall, there are several synonyms available to accurately describe compounds and substances containing the "cyano-" prefix.