26.5. Item index — ISO 80000-8🔗

Every catalogued item of ISO 80000-8, indexed by its printed item number, with the principal quantity symbol, the coherent SI unit, and the PhysLib dimension this work assigns it. Each item number links to the formalized result it participates in — a dimension collision, a dimension-one level, a defining relation, or the catalogue itself. Symbols and unit strings are citation locators; nothing normative is reproduced.

Item	Quantity	Symbol	Unit	Dimension
8-1	logarithmic frequency range	`G`	`oct`	`1`
8-2.1	static pressure	`p_s`	`Pa`	`M·L⁻¹·T⁻²`
8-2.2	sound pressure	`p`	`Pa`	`M·L⁻¹·T⁻²`
8-3	sound particle displacement	`δ`	`m`	`L`
8-4	sound particle velocity	`u`	`m/s`	`L·T⁻¹`
8-5	sound particle acceleration	`a`	`m/s²`	`L·T⁻²`
8-6	volume flow rate	`q_V`	`m³/s`	`L³·T⁻¹`
8-7	sound energy density	`w`	`J/m³`	`M·L⁻¹·T⁻²`
8-8	sound energy	`Q`	`J`	`M·L²·T⁻²`
8-9	sound power	`P`	`W`	`M·L²·T⁻³`
8-10	sound intensity	`I`	`W/m²`	`M·T⁻³`
8-11	sound exposure	`E`	`Pa²·s`	`M²·L⁻²·T⁻³`
8-12	characteristic impedance of a medium	`Z_c`	`Pa·s/m`	`M·L⁻²·T⁻¹`
8-13	acoustic impedance	`Z_a`	`Pa·s/m³`	`M·L⁻⁴·T⁻¹`
8-14	sound pressure level	`L_p`	`dB`	`1`
8-15	sound power level	`L_W`	`dB`	`1`
8-16	sound exposure level	`L_E`	`dB`	`1`
8-17	reverberation time	`T`	`s`	`T`