 Summer of '69  is a song recorded by Canadian recording artist Bryan Adams, from his fourth studio album, Reckless (1984). The song was written by Adams and Jim Vallance, a long-time writing partner of Adams.
â¢ UNDULATION (noun). The noun UNDULATION has 3 senses: 1. an undulating curve. 2. wavelike motion; a gentle rising and falling in the manner of waves. 3. (physics) a movement up and down or back and forth. Familiarity information: UNDULATION used as a noun is uncommon.
(ËplÃ¦tÉÊ) n, pl -eaus or -eaux (-ÉÊz) 1. (Physical Geography) a wide mainly level area of elevated land. 2. a relatively long period of stability; levelling off: the rising prices reached a plateau.