Phrase guide

equivalent weight

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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The atomic weight of an element or radical divided by its valence; the molecular weight of a compound divided by its combining power in a specific reaction.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: equivalent mass, gram equivalent

Antonyms: none provided

2

noun

Meaning 2

the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: equivalent, combining weight, eq

Antonyms: none provided

Broader terms: atomic mass, atomic weight, relative atomic mass

History

Etymology

No etymology was provided for this word.

Across languages

Translations

9 source translations are retained for this English entry.

  • Finnish: ekvivalenttimassa — equivalent weight
  • Finnish: ekvivalenttipaino — equivalent weight
  • Finnish: grammaekvivalentti — equivalent weight
  • Greek: ισοδύναμο βάρος (isodýnamo város) — equivalent weight
  • Italian: peso equivalente — equivalent weight
  • Italian: massa equivalente — equivalent weight
  • Polish: gramorównoważnik — equivalent weight
  • Spanish: peso equivalente — equivalent weight
  • Spanish: masa equivalente — equivalent weight