lactose

See also: Lactose

English

Etymology

Borrowed from French lactose, from Latin lac (“milk”) +‎ -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot.

Pronunciation

• (UK) IPA^(key): /ˈlæk.təʊs/, /ˈlæk.təʊz/

• Audio (Southern England):

  (file)

• Audio (Southern England):

  (file)

• (US) IPA^(key): /ˈlæk.toʊs/

Noun

lactose (countable and uncountable, plural lactoses)

1. (biochemistry) The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds.

Synonyms

• lactobiose, milk sugar

Derived terms

• lactoseamine
• lactose-free
• lactose intolerance
• lactose intolerant
• lactose-negative
• lactose-positive

 

Related terms

• lactase
• lactulose

 

Translations

disaccharide sugar of milk and dairy products

• Albanian: laktoza
• Arabic: لَاكْتُوز (lāktūz)

  Hijazi Arabic: لاكتوز (lāktōz)

• Armenian: կաթնաշաքար (hy) (katʻnašakʻar), լակտոզ (hy) (laktoz)
• Basque: laktosa
• Belarusian: лакто́за (laktóza)
• Bulgarian: лактоза (laktoza)
• Catalan: lactosa f
• Chinese:

  Cantonese: 乳糖 (jyu⁵ tong⁴)

  Hokkien: 奶糖 (leng-thn̂g, ni-thn̂g, lin-thn̂g)

  Mandarin: 乳糖 (zh) (rǔtáng)

• Czech: laktóza (cs) f
• Danish: laktose (da) c, mælkesukker n
• Dutch: lactose (nl) f, melksuiker (nl) m
• Esperanto: laktozo (eo), laktosukero
• Estonian: laktoos, piimasuhkur
• Faroese: mjólkarsukur n
• Finnish: laktoosi (fi), maitosokeri (fi)
• French: lactose (fr) m
• Galician: lactosa (gl) f
• Georgian: ლაქტოზა (lakṭoza)
• German: Laktose f, (alternatively:) Lactose (de), Milchzucker (de) m
• Greek: λακτόζη (el) f (laktózi)
• Hebrew: לקטוז (he) m (laktóz)
• Hindi: दुग्धधु (dugdhadhu)
• Hungarian: laktóz (hu), tejcukor (hu)
• Icelandic: laktósi (is) m, mjólkursykur (is) m
• Ido: laktoso (io)
• Indonesian: laktosa (id)
• Irish: lachtós
• Italian: lattosio (it) m
• Japanese: 乳糖 (ja) (にゅうとう, nyūtō), ラクトース (ja) (rakutōsu)
• Khmer: ឡាក់តូស (laktouh)
• Korean: 락토스 (ko) (raktoseu), 유당(乳糖) (yudang), 젖당 (ko) (jeotdang)
• Latin: lactosum
• Latvian: laktoze (lv)
• Lithuanian: laktozė
• Macedonian: лактоза (laktoza)
• Malagasy: laktôzy (mg)
• Malay: laktosa (ms)
• Maori: huka waiū, reihuka
• Marathi: दुग्धधु (dugdhadhu)
• Mongolian:

  Cyrillic: лактоз (laktoz), суун чихэр (suun čixer) (China)

• Nepali: दुग्धधु (dugdhadhu)
• Norwegian:

  Bokmål: laktose m, melkesukker

  Nynorsk: laktose m, mjølkesukker

• Occitan: lactòsa
• Persian: لاکتوز (fa) (lâktoz)
• Polish: laktoza (pl) f
• Portuguese: lactose (pt) f
• Romanian: lactoză (ro) f
• Russian: лакто́за (ru) f (laktóza)
• Serbo-Croatian: laktoza, mliječni šećer
• Slovak: laktóza (sk)
• Slovene: laktoza, mlečni sladkor
• Spanish: lactosa f
• Sundanese: laktosa, gula susu
• Swedish: laktos (sv), mjölksocker (sv)
• Tagalog: laktosa
• Thai: แล็กโทส
• Turkish: laktoz (tr), süt şekeri
• Uzbek: laktoza
• Vietnamese: đường sữa, lactoza
• Welsh: lactos m

Anagrams

• talcose, to scale, ale-cost, scotale, coletas, locates, alecost, Lacoste, Castelo, scatole, to-scale

Dutch

Etymology

Borrowed from French lactose, formed from Latin lac (“milk”) +‎ -ose (“sugar”) (derivation of sucrose).

Pronunciation

• IPA^(key): /ˌlɑkˈtoː.zə/

• Audio:

  (file)

• Hyphenation: lac‧to‧se
• Rhymes: -oːzə

Noun

lactose f (uncountable)

1. lactose

   Synonym: melksuiker

Derived terms

• lactose-intolerant

Related terms

• lactase

French

Etymology

Coined by French chemist Marcelin Berthelot, from Latin lac (“milk”) +‎ -ose (“sugar”) (derivation of sucrose). See also lait.

Pronunciation

• IPA^(key): /lak.toz/

• Audio:

  (file)

Noun

lactose m (usually uncountable, plural lactoses)

1. (biochemistry) lactose

Further reading

• “lactose”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Portuguese

Etymology

Borrowed from French lactose, formed from Latin lac (“milk”) +‎ -ose (“sugar”) (derivation of sucrose).

Pronunciation

 

• (Brazil) IPA^(key): /lakˈtɔ.zi/

• (Brazil) IPA^(key): /lakˈtɔ.zi/
  • (Southern Brazil) IPA^(key): /lakˈtɔ.ze/

• (Portugal) IPA^(key): /lɐˈktɔ.zɨ/

• Rhymes: -ɔzi, -ɔzɨ

Noun

lactose f (plural lactoses)

1. (biochemistry) lactose (disaccharide sugar of milk)

Related terms

• leite