Google is not giving more weight-age to meta description as a ranking factor. But now a days Google starts treating page’s title like meta description and showing different title in search engine result pages. Even Google is not showing title of their own pages properly in search engine result pages.
I have noticed that Google is not displaying the exact title tag in search engine result page for multiple websites. Google is ignoring title tag and showing their own. It is dramatically decreasing CTR of links. We all are not sure why this is happening. But I think Google is testing their idea for title