Cryotank In science fiction, cryogenic tanks are used to freeze people. "cry-" is a Greek prefix which means "cold or freezing", hence humans are stored in the tank frozen until a future date. Cryotanks are found in some science fiction films such as "Prometheus" (2012) and "The Host" (2013). Cryotank Cryotank or cryogenic tank is a tank that is used to store frozen biological material. The term “cryotank” refers to storage of super-cold fuels, such as liquid oxygen and liquid hydrogen. Cryotanks and cryogenics can be seen in many sci-fi movies, but they are still currently undeveloped. All that needs to
English prefix particular lexical categories (or "parts of speech"). For example, the prefix "re-" meaning "again, back" is only added to verb bases as in "rebuild", "reclaim", "reuse", "resell", "re-evaluate", "resettle". It cannot be added to bases of other lexical categories. Thus, examples of "re-" plus a noun base (such as the ungrammatical "*rehusband", "*remonopoly") or "re-" plus an adjective base ("*renatural", "*rewise") are virtually unattested. These selectional restrictions on what base a prefix can be attached to can be used to distinguish between otherwise identical-sounding prefixes. For instance, there are two different "un-" prefixes in English: one meaning "not, opposite of",