lactose
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lactose
- /ˈlæk.təʊs/ UK
- /ˈlæk.təʊz/ UK
- /ˈlæk.toʊs/ US
Where it comes from
Borrowed from French lactose, from Latin lac (“milk”) + -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot. Piecewise doublet of galactose.
noun lactoses
-
The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds.
Similar: lactobiose, milk sugar
Thesaurus
Closest in meaning: milk sugar, monohydrate, allergic, maldigestion, fermenter, ferment, whole, intolerance, intolerant, fermenters, fermenting, galactose, laxtose, lactobiose, lactoside, lactase
Translations
Every language
noun disaccharide sugar of milk and dairy products
| Español | lactosa |
|---|---|
| 한국어 | 락토스 raktoseu, 유당 yudang, 젖당 jeotdang |
| 日本語 | 乳糖 nyūtō, ラクトース rakutōsu |
| 中文 | 乳糖 rǔtáng |
| हिन्दी | दुग्धधु dugdhadhu |
| Kiswahili | laktosi |
| Português | lactose |
| Français | lactose |
| Deutsch | Laktose, Lactose, Milchzucker |
| Italiano | lattosio |
| Ελληνικά | λακτόζη laktózi |
| Română | lactoză |
| Русский | лакто́за laktóza |
| Tiếng Việt | đường sữa, lactoza |
| العربية | لَاكْتُوز lāktūz |
| עברית | לקטוז laktóz |
Talk about this word "lactose." Wiktionary, via Micwyn, micwyn.com/word/lactose. Accessed 6 Nov. 2026. lactose. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lactose "lactose." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lactose.Cite this
@misc{lactose_2026,
title = {lactose},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/lactose},
urldate = {2026-11-06}
}
