Source / pinned edition

Units and Standards

Source of package openstax.measurement · OpenStax University Physics, ch. 1 Units and Measurement, module m58270

work
urn:openstax:clir:measurement#M58270
number
OpenStax University Physics, ch. 1 Units and Measurement, module m58270
kind
urn:openstax:clir:measurement#treatise

m58270/index.cnxml at commit d0ed34a (main, 2026-06-11)

edition
urn:openstax:clir:measurement#M58270_MAIN
language
en
officiality
official
materialisation
PINNED_OFFICIAL_BYTES
life cycle
adopted: 2026-06-11

Publications

URITypedocumentHashRetrieved
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Fragments — 6

module/m58270#fs-id1168329139829 · defn · referenced by: 1

en · official · sha256:2b9dd6b8ad43720df89c29fb51a106cea42e1b9061ba6b66d5a41707b202697e

<definition id="fs-id1168329139829"> <term>base quantity</term> <meaning id="fs-id1168326798190">physical quantity chosen by convention and practical considerations such that all other physical quantities can be expressed as algebraic combinations of them</meaning> </definition>

Referencing norms: measures_base_quantity

module/m58270#fs-id1168329127240 · defn · referenced by: 1

en · official · sha256:11d34eada8fd5d798f7193a2e1e5d42d1af6ec19824021b4a58da88dafe9f77a

<definition id="fs-id1168329127240"> <term>base unit</term> <meaning id="fs-id1168329101575">standard for expressing the measurement of a base quantity within a particular system of units; defined by a particular procedure used to measure the corresponding base quantity</meaning> </definition>

Referencing norms: ReportedInBaseUnitOfItsQuantity

module/m58270#fs-id1168326842432 · defn · referenced by: 1

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<definition id="fs-id1168326842432"> <term>derived units</term> <meaning id="fs-id1168326841207">units that can be calculated using algebraic combinations of the fundamental units</meaning> </definition>

Referencing norms: ReportedInSpecialNamedUnit

module/m58270#fs-id1168329175859 · defn · referenced by: 2

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<definition id="fs-id1168329175859"> <term>physical quantity</term> <meaning id="fs-id1168329168545">characteristic or property of an object that can be measured or calculated from other measurements</meaning> </definition>

Referencing norms: MeasuredIsPhysicalQuantity, measured_value

module/m58270#fs-id1168326860103 · defn · referenced by: 1

en · official · sha256:783ec2e734a71a89aea17dfd2bdc47f41bebe1a8ddf099c4c49bee33bc9f32c6

<definition id="fs-id1168326860103"> <term>SI units</term> <meaning id="fs-id1168329151186">the international system of units that scientists in most countries have agreed to use; includes units such as meters, liters, and grams</meaning> </definition>

Referencing norms: ReportedUnitIsSiUnit

module/m58270#fs-id1168329486946 · defn · referenced by: 1

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<definition id="fs-id1168329486946"> <term>units</term> <meaning id="fs-id1168329063081">standards used for expressing and comparing measurements</meaning> </definition>

Referencing norms: reported_in_unit

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