Standard Lemma guide

superfluid

adj · 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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1

adj

Meaning 1

Of, pertaining to, or exhibiting superfluidity.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A substance, such as liquid helium, that exhibits superfluidity.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- Proto-Indo-European *bhel-der. Proto-Indo-European *bhlewH-der. Proto-Indo-European *bhluH-yé-ti? Latin fluō Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idus Latin fluidusder. Middle English fluid English fluid English superfluid From super- + fluid.

Across languages

Translations

11 source translations are retained for this English entry.

  • Finnish: suprajuokseva — exhibiting superfluidity
  • French: superfluide — exhibiting superfluidity
  • German: suprafluid — exhibiting superfluidity
  • Portuguese: superfluido — exhibiting superfluidity
  • Russian: сверхтеку́чий (sverxtekúčij) — exhibiting superfluidity
  • Chinese Mandarin: 超流體 /超流体 (chāoliútǐ) — substance that exhibits superfluidity
  • Finnish: supraneste — substance that exhibits superfluidity
  • French: superfluide — substance that exhibits superfluidity
  • Greek: υπερρευστό (yperrefstó) — substance that exhibits superfluidity
  • Portuguese: superfluido — substance that exhibits superfluidity
  • Romanian: suprafluid — substance that exhibits superfluidity