oleo
noun
oleo is a noun meaning “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…” (English Wiktionary, September 2026). It is spelled O-L-E-O and has 3 syllables, and it appears about once in every 11 million words in written English (wordfreq, 2021 data). The plural of oleo is oleos.
What does oleo mean?
noun
- 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.
If the oil leaks out of the oleos, they won't be able to cushion the aircraft against a hard landing.
- 2
USThe various fats and oils that go into the making of margarine.
- 3
USdatedSynonym of margarine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce oleo?
Oleo has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of oleo
- oleos plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is oleo?
Oleo appears about once in every 11 million words in written English, the 98,107th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does oleo come from?
Ellipsis of oleo strut.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).