Correct spelling for the English word "close upping" is [klˈə͡ʊs ˈʌpɪŋ], [klˈəʊs ˈʌpɪŋ], [k_l_ˈəʊ_s ˈʌ_p_ɪ_ŋ] (IPA phonetic alphabet).
There is no recognized dictionary definition for the term "close upping." However, based on its components, it can be inferred that "close upping" refers to the act or process of closely observing or examining something or someone in detail, often through visual means.
The phrase "close up" commonly refers to a shot or camera angle in film or photography where the subject is displayed at a close distance, capturing fine details. It allows the viewer to see the object or individual in close proximity and with enhanced clarity. In a figurative sense, "close up" denotes scrutinizing or inspecting something intently.
By adding the suffix "-ing" to "close up," it implies that the action of doing a "close up" is being performed continuously or repeatedly. Hence, "close upping" can be understood as the ongoing act of examining or focusing on something intricately, steadily, or persistently.
While "close upping" is not widely recognized as a standard term, it can be surmised as a colloquial expression used to describe the act of meticulous observation or assessment, particularly with a close attention to detail.