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Hey #linguistics folks — is there a word for, and if not can someone coin a word for, things whose functionality is dependent on their existence in the plural?
Some examples:
* Telephones — Alexander Graham Bell was initially disappointed with the apparent uselessness of his first telephone, until the Ghostbusters quote “Who you gonna call?” fell through a rift in time and he realized he needed to invent the second telephone too.
* Train stations — Congratulations! You’ve built the world’s first train station. Where do the trains go?
* LEGO(-alike) building blocks
* Gears