Mathematical term for division, often used in arithmetic contexts. Compare with 割り算 (わりざん), which is more common in everyday speech.
See also: 割り算 (わりざん)
The '除' in 加減乗除 (addition, subtraction, multiplication, division) means division.
When you divide 10 by 2, you get 5.
除 is a term that represents division.
乗算 (multiplication) is the mathematical opposite of 除 (division).
From Middle Chinese 除 (division, removal). The kanji 除 carries the meaning of 'remove' or 'divide', and in Japanese it is used specifically for the mathematical operation of division.
snow removal; clearing snow
removal of a name; expulsion; excommunication
military discharge; release from military service
weeding; weed removal
prevention and control; extermination · protection; mitigation
removal from a register; striking a name from a roll · expulsion; removal from school rolls · decommissioning; removal from service register
unveiling; unveiling ceremony
division (mathematics)
multiplication and division
mowing and removing; cutting down and clearing
surgical removal; excision
cutting off; cutting out; excision
insertion and deletion; adding and removing
disinheritance
exact division; dividing evenly
removal; omission · lusting
deletion; removal; elimination; erasure; cancellation; revocation
cutting away; mowing down; clearing