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Definition of lox

lox

/lɑːks/
lox
Plural:lox
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lox Lexical Profile

lox Game Scores & Validity

• noun

1

North American A fillet of brined salmon that may or may not be smoked, traditionally served thinly sliced on a bagel with cream cheese.

Example

"For Sunday brunch, we always order freshly baked bagels with cream cheese, lox, and capers."

2

Liquid oxygen, used primarily as a cryogenic oxidizer in liquid-fueled rocket engines.

Example

"The launch vehicle uses a highly volatile mixture of kerosene and lox to generate the immense thrust required to reach orbit."

Synonyms
View all synonyms for lox

• Rhymes for lox

• Nearby Words

lowness
lowrider
lowveld shield nose snake
lox
loyal
loyalism
loyalist

Word Origin & Etymology

The food sense originates from the Yiddish word 'laks' (salmon), tracing back to the Proto-Germanic '*lahsaz'. The aerospace term is an acronym for Liquid OXygen.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Lox. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lox
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