phonetic alphabet; phonetic code
Refers to a table or chart used for spelling out words over the phone or radio, such as the NATO phonetic alphabet or Japanese equivalents.
In radio communication, a phonetic alphabet is used to convey letters accurately.
Air traffic controllers read out letters according to the phonetic alphabet.
Compound of 通話 (tsūwa, 'telephone call, communication') and 表 (hyō, 'table, chart').