et

suhteline tihedus

1

Terminological databases

EKI terminibaas Esterm

ID 714282 Last modified 03.06.2014
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Domain Chemistry
suhteline tihedus preferred
erikaal former
relative density preferred
specific gravity former
  • materjali tiheduse ja standardmaterjali tiheduse suhe
  • the ratio of the density of a substance to the density of some reference substance
  • ratio of density to a reference density, usually the density of water at 4°C
suhteline tihedus preferred
erikaal former
Good to know
  • Keemiasõnastiku KEM järgi on „erikaal“ vananenud termin, kuid TSR järgi seda nt ehitusvaldkonnas kasutatakse. [07.03.2001]
relative density preferred
Good to know
  • Relative density is expressed as a dimensionless quantity.
  • This quantity was formerly called „specific gravity“.
specific gravity former
r.d. abbreviation

Materjalitehnika terminibaas

ID 675650 Last modified 26.07.2025
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Domain Physicspowder metallurgyceramic technology
suhteline tihedus preferred
eritihedus
erikaal deprecated
relative density preferred
относительная плотность
относительная плотность по воде
относительный вес
относительный удельный вес
специфическая плотность
удельная масса variant
удельная плотность
  • etteantud mahuga aine massi suhe sama mahuga vee massi temperatuuril 4 oC (vrd tihedustegur)
  • the ratio of the mass of given volume of a substance to the mass of an equal volume of water at temperature 4 oC (compare: density ratio)
  • отношение массы данного объёма вещества к массе равного объёма воды при температуре 4 °C (ср. коэффициент плотности)
suhteline tihedus preferred
eritihedus
erikaal deprecated
relative density preferred
specific gravity
относительная плотность
относительная плотность по воде
относительный вес
относительный удельный вес
специфическая плотность
удельная масса variant
удельная плотность
удельный вес

Materjalitehnika terminibaas

ID 676039 Last modified 21.07.2025
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Domain powder metallurgyceramic technology
tihedustegur preferred
pulbermaterjali tihedustegur
suhteline tihedus deprecated
density ratio preferred
relative density
коэффициент плотности
относительная плотность
относительная плотность спечённого изделия
отношение плотностей
  • poorse pulbermaterjali tiheduse ja samast materjalist poorsuseta materjali tiheduse (teoreetilise tiheduse) suhe, tavaliselt protsentides väljendatuna (vt teoreetiline tihedus; vrd suhteline tihedus/eritihedus)
  • the ratio of the determined density of a porous powder compact to the absolute density of pore-free material of the same composition, usually expressed as a percentage (see: theoretical density; compare: relative density/specific gravity)
  • соотношение найденной плотности порошкового брикета к истинной плотности материала того же химического состава, обычно выражающееся в процентах (ср. удельный вес)
tihedustegur preferred
pulbermaterjali tihedustegur
suhteline tihedus deprecated
density ratio preferred
relative density
percent theoretical density
коэффициент плотности
относительная плотность
относительная плотность спечённого изделия
отношение плотностей

Meteoroloogia ja klimatoloogia terminibaas

ID 521181 Last modified 22.08.2023
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Domain atmosphere - climatology - meteorology - magnetosphere

Metroloogia terminibaas

ID 637498 Last modified 16.12.2024
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Domain Standardisation - Metrology
suhteline tihedus preferred
erikaal former
relative density preferred
  • aine tiheduse (ruumalaühiku massi) ja antud tugimaterjali tiheduse suhe
  • antud aine etteantud mahu massi suhe sama mahuga vee massi
  • ratio of the density (mass of a unit volume) of a substance to the density of a given reference material
suhteline tihedus preferred
Usage examples
  • Teaduslikus kasutuses eelistatakse terminit "suhteline tihedus", samas kui termin "erikaal" on aegunud.
Good to know
  • Vedelike suhtelist tihedust mõõdetakse peaaegu alati kõige tihedama vee suhtes (4 °C juures) ja gaaside puhul on võrdlusaluseks õhk toatemperatuuril (20 °C).
erikaal former
relative density preferred
Usage examples
  • The term "relative density" (often abbreviated r.d. or RD) is often preferred in scientific usage, whereas the term "specific gravity" is deprecated.
Good to know
  • Relative density for liquids is nearly always measured with respect to water at its densest (at 4 °C), and for gases, the reference is air at room temperature (20 °C).
specific gravity former

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