# alkaloid
## English
### Etymology

From alkali +‎ -oid. Compare French alcaloïde.

### Pronunciation

* (US) IPA: /ˈæl.kə.lɔɪd/
* Audio (Southern England):(file)
* Audio (US):(file)

### Noun

alkaloid (plural alkaloids)
* (organic chemistry) Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.
** 1990, Song Liu, Syntheses of Aspidosperma Alkaloids, page 2:The Aspidosperma alkaloids are the largest group of indole alkaloids.
** 2010, Bertil B. Fredholm, Methylxanthines:Xanthosine, the initial substrate of purine alkaloid synthesis, is supplied by at least four different pathways […]

#### Hyponyms

* See also Thesaurus:alkaloid

#### Derived terms

* alkaloidic
* cadaveric alkaloid
* glycoalkaloid
* harmala alkaloid
* indole alkaloid
* morphine alkaloid
* nicotine alkaloid
* nonalkaloid
* opium alkaloid
* protoalkaloid
* pseudoalkaloid
* pyrrolizidine alkaloidosis
* thioalkaloid

#### Related terms

* alkaloidal
* alkaloidiferous

#### See also

* atropine
* codeine
* Demerol
* emetine
* ergotamine
* lysergic acid
* meperidine
* morphine
* nicotine
* papaverine
* pethidine
* piperidine
* reserpine
* scopine
* strychnine
* thebaine
* yohimbine

### Adjective

alkaloid (comparative more alkaloid, superlative most alkaloid)
* Relating to, resembling, or containing alkali.

### Further reading

* “alkaloid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

## Czech
### Pronunciation

* IPA: [ˈalkaloɪt]

### Noun

alkaloid m inan
* alkaloid

#### Declension
## Norwegian Bokmål
### Etymology

From alkali +‎ -oid.

### Noun

alkaloid n (definite singular alkaloidet, indefinite plural alkaloid or alkaloider, definite plural alkaloida or alkaloidene)
* (organic chemistry) an alkaloid

### References

* “alkaloid” in The Bokmål Dictionary.
* “alkaloid” in Det Norske Akademis ordbok (NAOB).

## Norwegian Nynorsk
### Etymology

From alkali +‎ -oid.

### Noun

alkaloid n (definite singular alkaloidet, indefinite plural alkaloid, definite plural alkaloida)
* (organic chemistry) an alkaloid

### References

* “alkaloid” in The Nynorsk Dictionary.

## Polish
### Etymology

From alkalia +‎ -oid. First attested in 1822.

### Pronunciation

* IPA: /al.kaˈlɔ.it/
* Audio:(file)
* Rhymes: -ɔit
* Syllabification: al‧ka‧lo‧id

### Noun

alkaloid m inan
* (organic chemistry) alkaloid

#### Derived terms

* alkaloidowy

#### Related terms

* alkaliczny
* alkalifilny
* alkalicznie
* alkalia
* alkaliceluloza
* alkaliczność
* alkalifil
* alkalimetr
* alkalimetria
* alkalizacja
* alkaloid
* alkaloza
* alkan
* alkanina
* alkalizować impf
* zalkalizować pf

#### Collocations

* alkaloidy pirydynowe ― pyridine alkaloids
* alkaloidy purynowe ― purine alkaloids
* alkaloidy roślinne ― plant alkaloids
* trujący alkaloid ― poisonous alkaloid
* psychoaktywne alkaloidy ― psychoactive alkaloids
* toksyczne alkaloidy ― toxic alkaloids
* szkodliwe alkaloidy ― harmful alkaloids
* naturalne alkaloidy ― natural alkaloids
* alkaloidy sporyszu ― ergot alkaloids
* alkaloidy pokrzyku ― hymen alkaloids
* alkaloid teiny ― theine alkaloid
* alkaloidy opium ― opium alkaloids
* zawartość alkaloidów ― alkaloids content
* grupa alkaloidów ― group of alkaloids
* obecność alkaloidów ― the presence of alkaloids
* działanie alkaloidów ― action of alkaloids
* zawierać alkaloidy ― contain alkaloids
* alkaloid występuje ― alkaloid is present

### References

* ↑ Pamiętnik Warszawski‎ (in Polish), numbers T.3, [ner 9], 1822, page 112

### Further reading

* alkaloid in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
* alkaloid in Polish dictionaries at PWN
* Aleksander Zdanowicz (1861) “alkaloid”, in Słownik języka polskiego, Wilno 1861
* J. Karłowicz, A. Kryński, W. Niedźwiedzki, editors (1900), “alkaloid”, in Słownik języka polskiego (in Polish), volume 1, Warsaw, page 25

## Serbo-Croatian
### Pronunciation

* IPA: /alkalǒiːd/
* Hyphenation: al‧ka‧lo‧id

### Noun

alkalòīd m (Cyrillic spelling алкало̀ӣд)
* alkaloid