et

ε

1 symbol

Terminological databases

Metroloogia terminibaas

ID 790446 Last modified 06.10.2026
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Domain Standardisation - Metrology
kokkusurutavustegur
paisumistegur
ε
expansibility factor preferred
expansion factor
ε
  • tegur, mis on kasutusel vedeliku kokkusurutavuse arvestamisel
  • coefficient used to take into account the compressibility of the fluid
kokkusurutavustegur
Usage examples
  • Kokkusurutavustegur on võrdne ühega, kui vedelikku peetakse kokkusurumatuks (vedelaks) ja see on väiksem kui üks, kui vedelik on kokkusurutav (gaasiline vedelik).
paisumistegur
ε symbol
expansibility factor preferred
Usage examples
  • The expansibility factor is equal to unity when the fluid is considered incompressible (liquid) and is less than unity when the fluid is compressible (gaseous).
expansion factor
ε symbol
compressibility factor variant

Metroloogia terminibaas

ID 1187819 Last modified 06.10.2026
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Domain Standardisation - Metrologyunits of measurement
dielektriline läbitavus
ε
permittivity
ε
  • materjali võime salvestada elektrienergiat ja lasta elektrivälja jõujoontel end läbida
  • material's ability to store electrical energy and let electric field lines pass through it
dielektriline läbitavus
Usage examples
  • Dielektriline läbitavus, tähis ε, on konkreetse keskkonna tegelik dielektriline läbitavus ning selle SI-ühik on faradit meetri kohta (F/m).
ε symbol
permittivity
Usage examples
  • Permittivity, symbol ε, is an actual permittivity of a specific medium, and its SI unit is farads per meter (F/m).
ε symbol

Metroloogia terminibaas

ID 574386 Last modified 06.10.2026
View dataset
View dataset
Domain Standardisation - Metrology
valguse langenurk preferred
langenurk
langemisnurk
ε
angle of incidence preferred
incidence angle
ε
  • pinna punktis valguskiire ja pinna normaali vaheline nurk
  • angle between the light path at a point on surface and the normal to the surface
valguse langenurk preferred
Usage examples
  • Valguse langenurk on nurk, mille moodustavad saabuv valguskiir, laine või osake pinnaga risti oleva sirgega (normaaliga), või nt ka lennuki tiiva fikseeritud kinnitusnurk kere suhtes.
langenurk
langemisnurk
ε symbol
angle of incidence preferred
Usage examples
  • An angle of incidence is the angle made by an incoming light ray, wave, or particle with a perpendicular line (the normal) to a surface, or the fixed mounting angle of an airplane wing relative to the fuselage.
incidence angle
ε symbol

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