Standard Lemma guide

superfluidity

noun · 1 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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  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S UW2 P ER0 F L UW2 IH1 D AH0 T IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The frictionless flow that is characteristic of a fluid with zero viscosity, especially liquid helium at temperatures near absolute zero.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

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- French fluiditébor. English fluidity English superfluidity From super- + fluidity.

Across languages

Translations

11 source translations are retained for this English entry.

  • Catalan: superfluïdesa — frictionless flow of a fluid
  • Chinese Mandarin: 超流性 (chāoliúxìng) — frictionless flow of a fluid
  • Chinese Mandarin: 超流動性 /超流动性 (chāoliúdòngxìng) — frictionless flow of a fluid
  • Finnish: suprajuoksevuus — frictionless flow of a fluid
  • French: superfluidité — frictionless flow of a fluid
  • German: Suprafluidität — frictionless flow of a fluid
  • Hebrew: זורמיות על (zormiyút al) — frictionless flow of a fluid
  • Italian: superfluidità — frictionless flow of a fluid
  • Japanese: 超流動 (chōryūdō) — frictionless flow of a fluid
  • Kazakh: асқын аққыштық (asqyn aqqyştyq) — frictionless flow of a fluid
  • Russian: сверхтеку́честь (sverxtekúčestʹ) — frictionless flow of a fluid