Englishfor English speakers
alphabetic
—
adjective
(= alphabetical)
relating to or expressed by a writing system that uses an alphabet
alphabetical writing system
—
adjective
(= alphabetical)
arranged in order according to the alphabet
an alphabetic arrangement
dictionaries list words in alphabetical order
telegraphy
Noun
—
Telegraphy is talking by using a telegraph, usually with Morse code.
The two boys were sending messages to each other by using telegraphy.