olein
noun
olein is a noun meaning “Any naturally-occurring greasy or oily substance related to fat” (English Wiktionary, September 2026). It is spelled O-L-E-I-N, and it appears about once in every 89 million words in written English (wordfreq, 2021 data). The plural of olein is oleins.
What does olein mean?
noun
- 1
Any naturally-occurring greasy or oily substance related to fat.
Holonym: oleo oil
- 2
Any glyceride of oleic acid
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of olein
- oleins plural
- elain
- elaine
- oleine
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is olein?
Olein appears about once in every 89 million words in written English, the 301,415th 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 olein come from?
From oleo- + -in.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).