noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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UK:/ˈlæk.teɪt/
Southern-England:Recorded audio is listed in the source snapshot.
US:/ˈlæk.teɪt/
UK:/lækˈteɪt/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -eɪt
CMU ARPABET:L AE1 K T EY0 T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any salt or ester of lactic acid.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Ellipsis of lactate ion.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, ellipsis
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To secrete or produce milk.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a salt or ester of lactic acid
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: ester, salt
5
verb
Meaning 5
give suck to
Definition source: Princeton WordNet 3.0
Examples
The wetnurse suckled the infant
You cannot nurse your baby in public in some places
Meaning relationships
Synonyms: breastfeed, suckle, suck, nurse, wet-nurse, give suck
Antonyms: none provided
Broader terms: feed, give
History
Etymology
From lactic acid + -ate (“salt or ester”).
Borrowed from Latin lactātus, perfect passive participle of lactō (“to suckle, give suck, contain milk”) (see -ate (verb-forming suffix)), from lac (“milk”), cognate to Ancient Greek γάλα (gála, “milk”).
Across languages
Translations
12 source translations are retained for this English entry.
Bulgarian:
лактат
(laktat)
— any salt or ester of lactic acid
Czech:
mléčnan
— any salt or ester of lactic acid
Finnish:
laktaatti
— any salt or ester of lactic acid
Hungarian:
laktát
— any salt or ester of lactic acid
Māori:
rakatete
— any salt or ester of lactic acid
Swedish:
laktat
— any salt or ester of lactic acid
Turkish:
laktat
— any salt or ester of lactic acid
Welsh:
lactad
— any salt or ester of lactic acid
Bulgarian:
but see кърмя
(kǎrmja)
— to produce milk