Xylem transports water and solutes from the roots to the leaves, while phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.
Definition of hyper. 1  1 : high-strung, excitable; also : highly excited was a little hyper after drinking too much coffee. 2  2 : extremely active hyper children.
Slang dictionaries of past centuries give a term hip or hyp meaning melancholy or bored, shortened from the word hypochondriac. However, this usage, more prevalent around 1800, was virtually extinct by 1900.