EXPANSION-JOINT
\ɛkspˈanʃənd͡ʒˈɔ͡ɪnt], \ɛkspˈanʃəndʒˈɔɪnt], \ɛ_k_s_p_ˈa_n_ʃ_ə_n_dʒ_ˈɔɪ_n_t]\
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In mech. (a) a joint for connecting steam-pipes, made with a stuffing-box, so as to allow one of them to slide within the enlarged end of the other when the length increases by expansion; (b) an attachment of a boiler in its framing to allow the former to expand without affecting the latter.
By Daniel Lyons
