Proper noun
MNIST
Initialism of Modified National Institute of Standards and Technology: a large database of handwritten digits used for training image-processing systems etc.
I think my favorite part is actually that he took the, what is it, MNIST? Source: Internet
MNIST is widely used by researchers as a benchmark for testing pattern recognition methods, and by students for class projects in pattern recognition, machine learning, and statistics. Source: Internet
The MNIST database is commonly used for testing systems' ability to recognise handwritten digits. Source: Internet