fluor

From Latin fluor.

• (US) IPA^(key): /fluɔɹ/

• Audio (Southern England):

  (file)

fluor (countable and uncountable, plural fluors)

2. (dated) The mineral fluorite.
3. (obsolete) A flow or flux.
4. (obsolete, in the plural) Menstrual periods.

   Synonym: flowers

• fluor albus
• fluorine
• fluorite
• fluoroid
• fluorspar

• fluoranthene
• fluorescence
• fluorophor, fluorophore
• fluorosis

• fluor-

• flour, four L, furol, orful, rufol

Chemical element
F
Previous: oxigeno (O)
Next: neon (Ne)

• IPA^(key): /fluor/ [flu.or]

• Audio:

  (file)

• Rhymes: -uor, -or
• Hyphenation: flu‧or

fluor inan

1. fluorine

• “fluor”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]
• “fluor”, in Orotariko Euskal Hiztegia [General Basque Dictionary], Euskaltzaindia, 1987–2005

Chemical element
F
Previous: oxigen (O)
Next: neó (Ne)

Learned borrowing from Latin fluōrem (“flowing”).

• IPA^(key): (Central, Balearic, Valencia) [fluˈor]

• Audio (Valencia):

  (file)

fluor m (uncountable)

1. fluorine

• fluorar
• fluorur

• “fluor”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “fluor”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025.
• “fluor” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “fluor” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

Chemical element
F
Previous: kyslík (O)
Next: neon (Ne)

• fluór

Borrowed from Latin fluor.

• IPA^(key): [ˈfluor]
• Hyphenation: fluor

fluor m inan

1. fluorine

• “fluor”, in Příruční slovník jazyka českého (in Czech), 1935–1957
• “fluor”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
• “fluor”, in Internetová jazyková příručka (in Czech), 2008–2025

Chemical element
F
Previous: ilt (O)
Next: neon (Ne)

From Medieval Latin fluor, from Latin fluere (“to flow”).

• IPA^(key): /fluːər/, [ˈfluːɐ]

fluor n or c (singular definite fluoret or fluoren, not used in plural form)

1. fluorine (symbol F)

• fluorescens
• fluorescere
• fluorid

• fluor on the Danish Wikipedia.Wikipedia ^da
• “fluor” in Den Danske Ordbog

Chemical element
F
Previous: zuurstof (O)
Next: neon (Ne)

Borrowed from Latin fluor.

• IPA^(key): /ˈfly.ɔr/, [ˈflyɥɔr]

• Audio:

  (file)

• Hyphenation: flu‧or

fluor n (uncountable)

1. the chemical element fluorine (symbol: F)

• fluoresceren
• fluoride

• “fluor” in Woordenlijst Nederlandse Taal – Officiële Spelling, Nederlandse Taalunie. [the official spelling word list for the Dutch language]

Chemical element
F
Previous: hapnik (O)
Next: neoon (Ne)

fluor (genitive fluori, partitive fluori)

1. fluorine

Declension of fluor (ÕS type 22e/riik, length gradation)
		singular	plural
nominative		fluor	fluorid
accusative	nom.
	gen.	fluori
genitive			fluoride
partitive		fluori	fluore fluorisid
illative		fluori fluorisse	fluoridesse fluoresse
inessive		fluoris	fluorides fluores
elative		fluorist	fluoridest fluorest
allative		fluorile	fluoridele fluorele
adessive		fluoril	fluoridel fluorel
ablative		fluorilt	fluoridelt fluorelt
translative		fluoriks	fluorideks fluoreks
terminative		fluorini	fluorideni
essive		fluorina	fluoridena
abessive		fluorita	fluorideta
comitative		fluoriga	fluoridega

• “fluor”, in [EKSS] Eesti keele seletav sõnaraamat [Descriptive Dictionary of the Estonian Language] (in Estonian) (online version), Tallinn: Eesti Keele Sihtasutus (Estonian Language Foundation), 2009
• “fluor”, in [ÕS] Eesti õigekeelsussõnaraamat ÕS 2018 [Estonian Spelling Dictionary] (in Estonian) (online version), Tallinn: Eesti Keele Sihtasutus (Estonian Language Foundation), 2018, →ISBN
• fluor in Sõnaveeb (Eesti Keele Instituut)

From Latin fluor.

• IPA^(key): /fly.ɔʁ/

• Audio:

  (file)

fluor m (uncountable)

1. fluorine (chemical element)

• phthore (obsolete)

• fluorescent

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

Chemical element
F
Previous: oxigén (O)
Next: neon (Ne)

• IPA^(key): [ˈfluor]
• Hyphenation: flu‧or
• Rhymes: -or

fluor (usually uncountable, plural fluorok)

1. fluorine (chemical element)

• fluorid

• fluor in Géza Bárczi, László Országh, et al., editors, A magyar nyelv értelmező szótára [The Explanatory Dictionary of the Hungarian Language] (ÉrtSz.), Budapest: Akadémiai Kiadó, 1959–1962. Fifth ed., 1992: →ISBN.

fluor

1. future infinitive of fluar

fluor (plural fluor-fluor)

1. fluor

fluor (uncountable)

1. fluorine

Chemical element
F
Previous: krziseń (O)
Next: neon (Ne)

Borrowed from German Fluor.

• IPA^(key): /ˈflu.ɔr/
• Rhymes: -uɔr
• Syllabification: flu‧or

fluor m inan

1. fluorine

• Eùgeniusz Gòłąbk (2011) “fluor”, in Słownik Polsko-Kaszubski / Słowôrz Pòlskò-Kaszëbsczi‎^[1]

From fluō (“I flow”) +‎ -or, from Proto-Indo-European *bʰlew- (“to swell, flow”).

• (Classical Latin) IPA^(key): [ˈfɫu.ɔr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈfluː.or]

fluor m (genitive fluōris); third declension

1. flow (act of flowing)

Third-declension noun.

• fluo

• “fluor”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press

fluor m or n (definite singular fluoren or fluoret)

1. fluorine (chemical element, symbol F)

fluor m or n (definite singular fluoren or fluoret, uncountable)

1. fluorine (as above)

From Latin fluor.

fluor m (uncountable)

1. fluorine

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “not cognate with floor, it seems?”)

fluor m

1. seed
2. seed field

• Köbler, Gerhard, Althochdeutsches Wörterbuch, (6. Auflage) 2014

Chemical element
F
Previous: tlen (O)
Next: neon (Ne)

Internationalism; compare English fluorine, French fluor, German Fluor, ultimately from Latin fluor.

• IPA^(key): /ˈflu.ɔr/

• Audio 1:

  (file)

• Audio 2:

  (file)

• Rhymes: -uɔr
• Syllabification: flu‧or

fluor m inan

1. fluorine

• fluor in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• fluor in Polish dictionaries at PWN

Chemical element
F
Previous: oxigen (O)
Next: neon (Ne)

Borrowed from French fluor, from Latin fluor (“flow”).

• IPA^(key): /fluˈor/, /flor/
• Hyphenation: flu‧or

fluor n (uncountable)

1. fluorine (chemical element)

• fluoriza
• fluorizare

• “fluor”, in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language) (in Romanian), 2004–2025

Chemical element
F
Previous: kiseonik, kìsīk (O)
Next: nèōn (Ne)

From Latin fluorum.

• IPA^(key): /flǔo̞ːr/
• Hyphenation: flu‧or

flȕōr m inan (Cyrillic spelling флу̏о̄р)

1. fluorine

• “fluor”, in Hrvatski jezični portal [Croatian language portal] (in Serbo-Croatian), 2006–2025

Chemical element
F
Previous: kisík (O)
Next: néon (Ne)

From Latin fluor.

• IPA^(key): /flúːɔr/

flȗor m inan

1. fluorine

The diacritics used in this section of the entry are non-tonal. If you are a native tonal speaker, please help by adding the tonal marks.

Masculine inan., hard o-stem
nominative	flúor
genitive	flúora
	singular
nominative (imenovȃlnik)	flúor
genitive (rodȋlnik)	flúora
dative (dajȃlnik)	flúoru
accusative (tožȋlnik)	flúor
locative (mẹ̑stnik)	flúoru
instrumental (orọ̑dnik)	flúorom

The diacritics used in this section of the entry are non-tonal. If you are a native tonal speaker, please help by adding the tonal marks.

Masculine inan., soft o-stem
nominative	flúor
genitive	flúorja
	singular
nominative (imenovȃlnik)	flúor
genitive (rodȋlnik)	flúorja
dative (dajȃlnik)	flúorju
accusative (tožȋlnik)	flúor
locative (mẹ̑stnik)	flúorju
instrumental (orọ̑dnik)	flúorjem

• “fluor”, in Slovarji Inštituta za slovenski jezik Frana Ramovša ZRC SAZU (in Slovene), 2014–2025

Chemical element
F
Previous: syre (O)
Next: neon (Ne)

From Latin fluor.

• IPA^(key): /ˈfloːr/

• Audio:

  (file)

• Homophone: flår

fluor n or c

1. fluorine

• fluorsköljning
• fluortant

• fluor in Svensk ordbok (SO)

• fluor in Svenska Akademiens ordbok (SAOB)
• Svensk MeSH