Standard Lemma guide

oleo

noun · 4 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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  • CMU ARPABET: OW1 L IY0 OW2 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A type of energy-absorbing landing gear strut in which sudden compression or extension of the strut causes a gas-filled chamber to push or pull a piston which forces oil through a small orifice, resulting in absorption of energy through viscous effects.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

Examples

  • If the oil leaks out of the oleos, they won't be able to cushion the aircraft against a hard landing.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The various fats and oils that go into the making of margarine.

Definition source: English Wiktionary via Wiktextract

Usage: US, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Synonym of margarine.

Definition source: English Wiktionary via Wiktextract

Usage: US, dated, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: margarine

Antonyms: none provided

4

noun

Meaning 4

a spread made chiefly from vegetable oils and used as a substitute for butter

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: margarine, margarin, oleomargarine, marge

Antonyms: none provided

Broader terms: spread, paste

Narrower terms: stick

History

Etymology

Ellipsis of oleo strut.

From oleum (“olive oil”).

Clipping of oleomargarine.