English Dictionary

signalese

noun

Words and abbreviations used by radio operators and other signalmen to clarify the letters being sent and received, such as the RAF phonetic alphabet.

I find it difficult to understand signalese.

意味（1）

Words and abbreviations used by radio operators and other signalmen to clarify the letters being sent and received, such as the RAF phonetic alphabet.

The signalese for 'S/L' I could decipher, but the NMI defeated me, until I learned that it referred to the fact, an oddity to Americans, that I had 'No Middle Initial'.