Phrase guide

penetrating oil

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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1

noun

Meaning 1

A type of very low-viscosity oil that evaporates quickly.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: penetrating fluid

Antonyms: none provided

History

Etymology

Called so because of its penetration into the microscopic interstices of rust and of mating metal surfaces, which aids loosening of fasteners.

Across languages

Translations

6 source translations are retained for this English entry.

  • Dutch: kruipolie — low-viscosity fluid
  • French: huile pénétrante — low-viscosity fluid
  • French: huile pour dégripper — low-viscosity fluid
  • German: Kriechöl — low-viscosity fluid
  • Portuguese: óleo desengripante — low-viscosity fluid
  • Spanish: aceite penetrante — low-viscosity fluid