Chemistry prefix indicating a higher oxidation state or more of a certain element than usual. Seen in terms like 過酸化水素 (hydrogen peroxide).
Overeating is bad for your health.
Potassium permanganate is used as an oxidizing agent.
passing through; passing by; transit · passage of a bill; carriage; formal passage through a process · clearing a screening; passing an inspection; getting through a preliminary round; qualification
process; course; mechanism
extreme; radical; violent (language) · strenuous; excessive; demanding
excess; surplus; overabundance
excessive; immoderate; too much
severe; harsh; rigorous; cruel
negligent error; blunder; accident caused by negligence · fault; defect; culpability
depopulation; underpopulation; low population density
overwork; excessive work; strain from overwork
excess; surplus; exceeding a limit
penetration; permeation; transmission
exaggeration; overstatement · misstatement; gaffe; slip of the tongue
excessive; too much; unreasonable
oversensitivity; nervousness; hypersensitivity
passing; going past
excess; surplus; superabundance
too small; too little; insufficient
overheating; excessive heating · superheating (physics) · overheating (figurative); going to excess; running too hot
overconfidence; excessive trust; overestimation
overcrowding; overpopulation; congestion · crammed; tight; busy
filtration; filtering; percolation
transition; transitional state; change from old to new · crossing; ferry
overeating; excessive eating
overlooking; turning a blind eye
excessive weight; overburdening; too heavy
overpayment; paying too much
mistake; error; fault
too few; too little; insufficient
Standard kanji spelling for this prefix.
The kanji 過 means 'exceed' or 'pass', and its on-reading か is used as a prefix in Sino-Japanese compounds.