Memory for intermediate results that must be held during thinking(noun)
WordNet. Princeton University. 2010.
Use "working memory" in a sentence
"Thus, we can see what we call content-specific active working memory weaknesses."
"As a result, far too much of her active working memory space wasused up with the effort to spell correctly, and that sabotaged her thought processes or original thinking during writing."
"M. D. Rapport, et al., Hyperactivity in boys with attention-deficit/hyperactivity disorder ADHD: A ubiquitous core symptom or manifestation of working memory deficits?"