Definition of "microtrend"

This last microtrend—effectively a re-revival—highlights one of the ironies of the 80's resurgence, for the 80's were the first era in pop in which recycling and retrospection became rife.

2002 May 5, Simon Reynolds, “The 70's Are So 90's. The 80's Are The Thing Now.”, in The New York Times‎

Replace the resin with real ice, and substitute an orchid or rose petal or other edible niblet for the fly, and you’ve got the latest microtrend in upscale mixology — or at least in precious garnishes.

2007 September 2, Jonathan Miles, “Barkeep, There’s a ...”, in New York Times‎

Is this another TikTok microtrend? I’m so tired: I just want to stare at a tree.

2023 February 14, “Enyacore: the 1990s revival absolutely no one saw coming”, in The Guardian‎