undulatory C2 Topic:Describing Qualities US /ˈʌndʒələˌtɔri/ UK /ˈʌndjʊlətəri/ See IPA manual Meanings 1 adj moving in waves or relating to wave motion The old theory described light as an undulatory motion of the ether. Thesaurus Synonyms 1 adj · moving in waves or relating... wavelikewave-like Word family Related forms undulatewave Appears in Phrases (1) See all undulatory theory the theory that light travels as waves Adjective + noun Etymology From Latin undula ('little wave'), diminutive of unda ('wave'), + -ory. Topics Describing Qualities Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # undulatory **Type:** Word **Level:** C2 **Part of speech:** adj **IPA (US):** /ˈʌndʒələˌtɔri/ **IPA (UK):** /ˈʌndjʊlətəri/ ## Meanings 1. moving in waves or relating to wave motion ## Examples - The old theory described light as an undulatory motion of the ether. ## Synonyms - wavelike - wave-like ## Related Forms - undulate - wave ## Etymology From Latin undula ('little wave'), diminutive of unda ('wave'), + -ory. ## Topics - Describing Qualities - Word Formation & Derivatives markdown