# Synthetic feature > A feature not present among the input features, but assembled from one or more of them.[^1] Features created by normalizing or scaling alone are not considered synthetic features. A [feature](https://wiki.g15e.com/pages/Feature%20(machine%20learning.txt)) not present among the input features, but assembled from one or more of them.[^1] Features created by [normalizing](https://wiki.g15e.com/pages/Normalization%20(machine%20learning.txt)) or scaling alone are not considered synthetic features. ## Footnotes [^1]: https://developers.google.com/machine-learning/glossary#synthetic_feature