We found 13 dictionaries that define the word step function:

General (8 matching dictionaries)

1. step function: Merriam-Webster
2. step function: Oxford Learner's Dictionaries
3. step function: Collins English Dictionary
4. step function: Wiktionary
5. step function: Infoplease Dictionary
6. step function: Dictionary.com
7. Step function: Wikipedia, the Free Encyclopedia
8. step function: TheFreeDictionary.com

Business (1 matching dictionary)

9. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

10. step function: Encyclopedia

Science (2 matching dictionaries)

11. Step Function: Eric Weisstein's World of Mathematics
12. step function, step function: PlanetMath Encyclopedia

Tech (1 matching dictionary)

13. Glossary of Meteorology (No longer online)

Definitions from Wiktionary (step function) ▸ noun:  (mathematics) A function from the real line to a finite subset of the real line. Similar: set function, partial function, real function, simple function, point function, complex function, sigmoid function, special function, choice function, interval, more... Phrases: Heaviside step function, more... ▸ Words similar to step function ▸ Usage examples for step function ▸ Idioms related to step function ▸ Wikipedia articles (New!) ▸ Words that often appear near step function ▸ Rhymes of step function ▸ Invented words related to step function