The phrase "new phenomenon" refers to something that has recently started happening or appearing, and it is not something that people were familiar with before. Full definition
Private donations to public schools are not new phenomena, although lately, parent groups have edged into a more central funding role, largely because of budget cuts. (ptotoday.com)
This is a relatively new phenomenon in the pet care industry. (mnn.com)
The review marks the first comprehensive assessment of peer - reviewed published research into the relatively new phenomenon of electronic cigarettes. (sciencedaily.com)