also: じょうすう
noun
fixed number; quorum
Used for a predetermined number of people or things, especially the minimum number required for a meeting to be valid.
会議を開くには定数の出席が必要です。
A quorum is required to hold the meeting.
このクラスの定数は30
The fixed number for this class is 30 people.
noun
Mathematical term for a value that does not change; often contrasted with 変数 (variable).
See also: 変数
この式では、πは定数です。
In this formula, π is a constant.
noun
Computing term for a value written directly in source code, as opposed to a variable.
プログラム中に定数として「100」を直接書く。
Write '100' directly as a literal in the program.
noun
Dated, literary sense referring to a predetermined destiny; rarely used in modern Japanese outside of older texts.
彼は定数に従って生きていると信じていた。
He believed he lived according to fate.