What is another word for minisub?
Pronunciation: [mˈɪnɪsˌʌb] (IPA) 
A minisub, or a miniature submarine, is a smaller version of a traditional submarine. Synonyms for the term minisub include submersible, sub, mini-sub, and micro-submarine. Other alternatives include underwater vessel, aquatic vehicle, and subaqueous machine. The term minisub is commonly used by military personnel and underwater research teams, but it is not the only term used to describe a small submarine. Some people refer to these vessels as swimmer delivery vehicles (SDVs), autonomous underwater vehicles (AUVs), or remotely operated underwater vehicles (ROVs). Regardless of the label, these underwater vessels allow for exploration of the deep seas and the gathering of invaluable information about the ocean's ecosystems and its inhabitants.
