Modifiers matching quantity:

• measurable,
• theoretical,
• astronomical,
• scalar,
• physical,
• mechanical,
• photometric,
• secondary,
• geometric,
• characteristic,
• macroscopic,
• vital,
• constitutive,
• actuarial,
• accessible,
• diagnostic,
• electrical,
• discrete,
• basic,
• morphological,
• thermodynamic,
• limited,
• light,
• meaningful,
• turbulent,
• interfacial,
• visual,
• external,
• chemical,
• intrinsic,
• subjective,
• desired,
• defined,
• small,
• geophysical,
• computational,
• acoustic,
• geometrical,
• ambient,
• numerical,
• tangible,
• essential,
• layer,
• conventional,
• related,
• radiant,
• seismological,
• final,
• medium,
• hydrodynamic,
• fixed,
• dynamic,
• molecular,
• astrophysical,
• key,
• internal,
• flexible,
• conserved,
• electronic,
• topological,
• dynamical,
• mental,
• miscellaneous,
• analog,
• standardized,
• out,
• initial,
• physicochemical,
• spectroscopic,
• simple,
• changing,
• geological,
• aggregate,
• physiologic,
• motor,
• elemental,
• detailed,
• digital,
• dimensional,
• passive,
• variable,
• observed,
• abstract,
• continuous,
• hydraulic,
• delicate,
• interesting,
• surrounding,
• economic,
• common,
• model,
• stable,
• mathematical,
• large,
• musical,
• aerodynamic,
• available,
• real,
• usual,
• absolute,
• metric,
• natural,
• individual,
• microscopic,
• atmospheric,
• elementary,
• significant,
• definite,
• relational,
• fluid,
• standard,
• thermodynamical,
• distinct,
• traditional,
• fluctuating,
• experimental,
• minute,
• general,
• nuclear,
• cosmological,
• main,
• oceanic,
• algebraic,
• climatic,
• macroeconomic,
• determinate,
• rheological,
• sufficient,
• descriptive,
• electromagnetic,
• intensive,
• important,
• ordinary,
• dependent,
• perceptual,
• intuitive,
• potential,
• primary,
• statistical,
• average,
• stellar,
• single,
• extensive,
• magnetic,
• electric,
• local,
• secret,
• minimum,
• relevant,
• intermediate,
• routine,
• pertinent,
• optical,
• atomic,
• thermal,
• orbital,
• random,
• minor,
• structural,
• crucial,
• negative,
• restricted,
• level,
• objective,
• subsurface,
• meteorological,
• useful,
• sensitive,
• complicated,
• positive,
• fundamental,
• smaller,
• financial,
• universal,
• spatial,
• technical,
• physiological,
• geodetic,
• unobserved,
• observable,
• familiar,
• unique,
• larger,
• auxiliary,
• global,
• analytical,
• diatomic,
• kinetic,
• biological,
• probabilistic,
• everyday,
• complex,
• odd,
• static,
• critical,
• typical,
• biochemical,
• practical,
• weather,
• hidden,
• dangerous,
• invisible,
• spectral,

Simple categories matching unobserved:

• quantity,
• characteristic,