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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

measure, quantity, amount go
how much there is or how many there are of something that you can quantify

definite quantity go
a specific measure of amount

unit, unit of measurement go
any division of quantity accepted as a standard of measurement or exchange

emu, electromagnetic unit go
any of various systems of units for measuring electricity and magnetism

light unit go
a measure of the visible electromagnetic radiation

luminous flux unit
a measure of luminous flux per unit area

noun.quantity

1 Subcategories

lumen, lm go
a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions