CS Knowledge Base

English

Etymology

Calque of Cantonese 增值機 / 增值机 (zang¹ zik⁶ gei¹).

Noun

add value machine (plural add value machines)

(Hong Kong) A machine that adds money to (tops up) public transport cards.

Related terms

adding machine

source: https://en.wiktionary.org/wiki/add_value_machine