how much there is or how many there are of something that you can quantify

- cordage,
- magnetization,
- definite quantity,
- probability,
- point,
- radical,
- metric,
- indefinite quantity,
- measure,
- quantum,
- system of measurement,
- nonstandard,
- relative quantity,
- fundamental quantity,
- time interval,
- playing period,
- play,
- abstraction,
- interval,
- volume,
- chance,
- time unit,
- standard,
- period of play,
- octane number,
- magnetisation,
- unit of time,
- fundamental measure,
- octane rating,
- value,
- economic value,
- point in time,
- amount,
- abstract entity,
- proof

vague or not clearly defined or stated

an adequate or large amount

the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable