noun · 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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Received-Pronunciation:/ɪˈkɒl.ə.d͡ʒi/
Southern-England:Recorded audio is listed in the source snapshot.
US, dialectal:/ɪˈkɑ.lə.d͡ʒi/of Canada
US, dialectal:/iˈkɑ.lə.d͡ʒi/of Canada
Canada, dialectal:/ɪˈkɒl.ə.d͡ʒi/of the US
Australian:/ɪˈkɔl.ə.d͡ʒi/
New-Zealand:/əˈkɒl.ə.d͡ʒi/
New-Zealand:[əˈkɔ̟l.ə.d͡ʒi]
rhymes with -ɒlədʒi
CMU ARPABET:IH0 K AA1 L AH0 JH IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:IY0 K AA1 L AH0 JH IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The branch of biology dealing with the relationships of organisms with their environment and with each other.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any study of the relationships of components of a system with their environment and with each other.
Definition source: English Wiktionary via Wiktextract
Usage: broadly, countable, uncountable
Examples
social ecology
linguistic ecology
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The totality or pattern of relationships of components of a system with their environment and with each other.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
the branch of biology concerned with the relations between organisms and their environment
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: bionomics, environmental science
Antonyms: none provided
Broader terms: biology, biological science
Narrower terms: paleoecology, palaeoecology
5
noun
Meaning 5
the environment as it relates to living organisms
Definition source: Princeton WordNet 3.0
Examples
it changed the ecology of the island
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: environment
History
Etymology
Calque of German Ökologie (coined in 1866 by Ernst Haeckel), from Ancient Greek οἶκος (oîkos, “house”) + -λογία (-logía, “study of”). By surface analysis, eco- + -logy.
Across languages
Translations
99 source translations are retained for this English entry.
Afrikaans:
ekologie
— branch of biology
Albanian:
ekologji
— branch of biology
Arabic:
عِلْم اَلْبِيئَة
(ʕilm al-bīʔa)
— branch of biology
Aragonese:
ecolochía
— branch of biology
Armenian:
էկոլոգիա
(ēkologia)
— branch of biology
Asturian:
ecoloxía
— branch of biology
Belarusian:
экало́гія
(ekalóhija)
— branch of biology
Breton:
ekoloji
— branch of biology
Bulgarian:
екология
(ekologija)
— branch of biology
Burmese:
ဂေဟဗေဒ
(geha.beda.)
— branch of biology
Catalan:
ecologia
— branch of biology
Chinese Cantonese:
生態 /生态
— branch of biology
Chinese Cantonese:
生態學 /生态学
(sang1 taai3 hok6)
— branch of biology
Chinese:
生態學 /生态学
(seng-thài-ha̍k)
— branch of biology
Chinese Mandarin:
生態 /生态
(shēngtài)
— branch of biology
Chinese Mandarin:
生態學 /生态学
(shēngtàixué)
— branch of biology
Czech:
ekologie
— branch of biology
Danish:
økologi
— branch of biology
Dutch:
ecologie
— branch of biology
Esperanto:
ekologio
— branch of biology
Estonian:
ökoloogia
— branch of biology
Faroese:
vistfrøði
— branch of biology
Finnish:
ekologia
— branch of biology
Finnish:
ympäristötiede
— branch of biology
French:
écologie
— branch of biology
Galician:
ecoloxía
— branch of biology
Georgian:
ეკოლოგია
(eḳologia)
— branch of biology
German:
Ökologie
— branch of biology
German:
Ökologie
— branch of biology
Greek:
οικολογία
(oikología)
— branch of biology
Hebrew:
אקולוגיה
(ekologyia)
— branch of biology
Hindi:
पारिस्थितिकी
(pāristhitikī)
— branch of biology
Hungarian:
ökológia
— branch of biology
Hungarian:
környezettan
— branch of biology
Icelandic:
vistfræði
— branch of biology
Ido:
ekologio
— branch of biology
Indonesian:
ekologi
— branch of biology
Interlingua:
ecologia
— branch of biology
Irish:
éiceolaíocht
— branch of biology
Italian:
ecologia
— branch of biology
Japanese:
生態学
(seitaigaku)
— branch of biology
Kannada:
ಹೊಂದಿಕೆಯರಿಮೆ
(hondikeyarime)
— branch of biology
Kazakh:
экология
(ékologiä)
— branch of biology
Khmer:
បរិស្ថានវិទ្យា
(bɑɑresthaan vityie)
— branch of biology
Khmer:
និវេសនវិទ្យា
(niveih vityie)
— branch of biology
Khmer:
អាស្រយវិទ្យា
(ʼaasrɑɑyvityiə)
— branch of biology
Korean:
생태학
(saengtaehak)
— branch of biology
Central Kurdish:
ژینگەناسی
(jîngenasî)
— branch of biology
Northern Kurdish:
ekolojî
— branch of biology
Latin:
oecologia
— branch of biology
Latvian:
ekoloģija
— branch of biology
Lithuanian:
ekologija
— branch of biology
Luxembourgish:
Ökologie
— branch of biology
Luxembourgish:
Ekologie
— branch of biology
Macedonian:
еколо́гија
(ekológija)
— branch of biology
Malay:
کاجي عالم حيات
— branch of biology
Malay:
ايکولوݢي
— branch of biology
Malay:
kaji alam hayat
— branch of biology
Malay:
ekologi
— branch of biology
Maltese:
ekoloġija
— branch of biology
Māori:
mātai hauropi
— branch of biology
Mongolian:
орчинзүй
(orčinzüj)
— branch of biology
Norman:
écologie
— branch of biology
Norwegian Bokmål:
økologi
— branch of biology
Norwegian Nynorsk:
økologi
— branch of biology
Occitan:
ecologia
— branch of biology
Pashto:
چاپېريالپوهنه
— branch of biology
Persian:
بومشناسی
(bum-šenâsi)
— branch of biology
Persian:
اکولوژی
(ekoloži)
— branch of biology
Polish:
ekologia
— branch of biology
Portuguese:
ecologia
— branch of biology
Romanian:
ecologie
— branch of biology
Russian:
эколо́гия
(ekológija)
— branch of biology
Scottish Gaelic:
eag-eòlas
— branch of biology
Serbo-Croatian:
екологија
— branch of biology
Serbo-Croatian:
ekologija
— branch of biology
Sindhi:
سَهِجِياڀياس
(sahijīābhyās)
— branch of biology
Slovak:
ekológia
— branch of biology
Slovene:
ekologija
— branch of biology
Spanish:
ecología
— branch of biology
Sundanese:
ékologi
— branch of biology
Swahili:
ikolojia
— branch of biology
Swedish:
ekologi
— branch of biology
Swedish:
miljöforskning
— branch of biology
Tagalog:
palamuhayan
— branch of biology
Tagalog:
ekolohiya
— branch of biology
Tajik:
экология
(ekologiya)
— branch of biology
Tamil:
சூழ்நிலையியல்
(cūḻnilaiyiyal)
— branch of biology
Thai:
นิเวศวิทยา
(níwêt wíttáyaa)
— branch of biology
Turkish:
çevre bilimi
— branch of biology
Turkish:
ekoloji
— branch of biology
Ukrainian:
еколо́гія
(ekolóhija)
— branch of biology
Vietnamese:
sinh thái học
— branch of biology
Volapük:
köolog
— branch of biology
Welsh:
ecoleg
— branch of biology
Yiddish:
עקאָלאָגיע
(ekologye)
— branch of biology
Zazaki:
ekoloci
— branch of biology
Chinese Cantonese:
生態 /生态
— totality or pattern of relationships
Chinese Mandarin:
生態 /生态
(shēngtài)
— totality or pattern of relationships
