miracle fruit

American  

noun

1. the berrylike fruit of either of two African shrubs, Synsepalum dulcificum or Thaumatococcus daniellii, that, when chewed, causes sour substances to taste sweet.

2. Also called serendipity berry.  the similar fruit of an African shrub, Dioscoreophyllum cumminsii.

---

miracle fruit British  

noun

1. informal the small, red, edible berry of the plant Synsepalum dulcificum , which contains a protein that makes bitter things taste sweet

---

Etymology

Origin of miracle fruit

First recorded in 1885–90

Example Sentences

Klee dubbed his miracle fruit the Garden Gem. 

From Slate • Jul. 16, 2015

They're also scouring the world for other naturally occurring sweeteners, such as one called mogroside that is extracted from monk fruit and a derivative of a berry called miracle fruit.

From Seattle Times • Jul. 26, 2012