world-line C2 Topic:Science & Research US /ˈwɜrldˌlaɪn/ UK /ˈwɜːldˌlaɪn/ See IPA manual Meanings 1 noun the path of an object through spacetime The diagram shows the particle's world-line bending through spacetime. Thesaurus Synonyms 1 noun · the path of an object... spacetime path Word family Related forms spacetimerelativitytrajectory Etymology Compound of world + line; a standard term in relativity. Topics Science & Research External links Cambridge Dictionary Wiktionary Google Images # world-line **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈwɜrldˌlaɪn/ **IPA (UK):** /ˈwɜːldˌlaɪn/ ## Meanings 1. the path of an object through spacetime ## Examples - The diagram shows the particle's world-line bending through spacetime. ## Synonyms - spacetime path ## Related Forms - spacetime - relativity - trajectory ## Etymology Compound of world + line; a standard term in relativity. ## Topics - Science & Research markdown