Second Unit of Plane Angle

Preferred Label : Second Unit of Plane Angle;

NCIt synonyms : Arcsecond; Second;

NCIt related terms : '';

NCIt definition : A unit of angular measure equal to 1/60 arcminute or to 1/360 degree. Second is also called the arcsecond to distinguish it from the second of time. There are 1296000 seconds in a circle. The international standard ISO 31 recommends that angles be stated in degrees and decimal fractions of the degree, without use of arcminutes and arcseconds.;

Codes from synonyms : 12590;

Details

Origin ID

C68861;

UMLS CUI

C2348168;

Automatic exact mappings (from CISMeF team)
- 2nd [Radlex concept]
- Second value (attribute) [SNOMED CT concept]
- per second (qualifier value) [SNOMED CT concept]
- second [UCUM base unit]
- second [IUPAC Term]
- second [UCUM unit]
False automatic mappings
- Second (qualifier value) [SNOMED CT concept]
- Seconds (qualifier value) [SNOMED CT concept]
- second [IUPAC Unit]
- second [SNOMED Notion]
Semantic type(s)
- Quantitative Concept [UMLS semantic type]
concept_is_in_subset
- HL7 Unit of Measure Terminology [NCIt concept]

Keyword's position in hierarchy(ies) :

Main resources

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