upturning
nounEtymology From Middle English upturnynge, equivalent to upturn + -ing and/or up- + turning.
1
A turning upward.
- He suffered from frequent 'micro-crises' — upturnings of the eyeballs, associated with transient inability to move or respond; these lasted a few seconds only, and occurred dozens, and sometimes hundreds, of times a day.1973, Oliver Sacks, Awakenings: