Phrase guide

relative density

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A dimensionless measure which is the ratio of the mass of a substance to that of some reference substance (chiefly an equal volume of water at 4°C).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gravity, specific gravity

Antonyms: none provided

2

noun

Meaning 2

the ratio of the density of something to the density of a standard

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: density, denseness

Narrower terms: specific gravity, vapor density, vapour density

History

Etymology

No etymology was provided for this word.

Across languages

Translations

19 source translations are retained for this English entry.

  • Bulgarian: относителна плътност (otnositelna plǎtnost) — ratio of the mass of a substance to that of an equal volume of water
  • Finnish: ominaispaino — ratio of the mass of a substance to that of an equal volume of water
  • Georgian: კუთრი წონა (ḳutri c̣ona) — ratio of the mass of a substance to that of an equal volume of water
  • German: spezifisches Gewicht — ratio of the mass of a substance to that of an equal volume of water
  • Greek: ειδικός βάρος (eidikós város) — ratio of the mass of a substance to that of an equal volume of water
  • Hungarian: fajsúly — ratio of the mass of a substance to that of an equal volume of water
  • Indonesian: berat jenis — ratio of the mass of a substance to that of an equal volume of water
  • Indonesian: bobot jenis — ratio of the mass of a substance to that of an equal volume of water
  • Italian: peso specifico — ratio of the mass of a substance to that of an equal volume of water
  • Japanese: 比重 (hijū) — ratio of the mass of a substance to that of an equal volume of water
  • Malay: graviti tentu — ratio of the mass of a substance to that of an equal volume of water
  • Marathi: विशिष्ट गुरुत्व (viśiṣṭa gurutva) — ratio of the mass of a substance to that of an equal volume of water
  • Portuguese: densidade relativa — ratio of the mass of a substance to that of an equal volume of water
  • Portuguese: peso específico — ratio of the mass of a substance to that of an equal volume of water
  • Romanian: greutate specifică — ratio of the mass of a substance to that of an equal volume of water
  • Russian: относительная плотность (otnositelʹnaja plotnostʹ) — ratio of the mass of a substance to that of an equal volume of water
  • Spanish: peso específico — ratio of the mass of a substance to that of an equal volume of water
  • Tagalog: hambinging dagsin — ratio of the mass of a substance to that of an equal volume of water
  • Thai: ความถ่วงจําเพาะ (kwaam-tùuang-jam-pɔ́) — ratio of the mass of a substance to that of an equal volume of water