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riboflavin

Definition:

a B vitamin that prevents skin lesions and weight loss

Class:

substance noun (substance and materials)

Plural:

riboflavins

Original source:

Princeton WordNet

Example:

flavine

Etymology:

German Riboflavin (1935), from "ribose" + flavin, from Latin flavus "yellow", so...
(Source: Online Etymology)  [more]

Definition references  (+images)

Wikipedia:

Riboflavin | vitamin B2 | C17H20N4O6 [chemical formula]

an easily absorbed colored micronutrient with a key role in maintaining health in humans and animals. It's the central component of the cofactors FAD and FMN, and is therefore required by all flavoproteins. As such, vitamin B2 is... (38 of 3857 words, 6 images)

en​.wikipedia​.org​/wiki​/Riboflavin

Britannica Encyclopedia:

riboflavin [chemical compound]

also called vitamin B2, a yellow, water-soluble organic compound that occurs abundantly in whey and in egg white. An essential nutrient for ... (22 of 254 words, 1 image)

www​.britannica​.com​/E​Bchecked​/topic​/631026​/riboflavin

Collins Dictionary:

riboflavin | riboflavine | vitamin B2 [synonym] | lactoflavin [synonym] | C17H20N4O6 [chemical formula] | vitamin G [archaic]

a yellow water-soluble vitamin of the B complex that occurs in green vegetables, germinating seeds, and in milk, fish, egg yolk, liver, and kidney. ... (24 of 323 words, 4 usage examples, pronunciations)

www​.collinsdictionary​.com​/dictionary​/english​/riboflavin

Merriam-Webster:

riboflavin | C17H20N4O6 [chemical formula] | vitamin B2 [riboflavin]

a yellow crystalline compound .. of the vitamin B complex that occurs both free (as in milk) and combined (as in liver) as a component of coenzymes ... (27 of 72 words, pronunciation)

www​.merriam-webster​.com​/dictionary​/riboflavin

Oxford Dictionary:

riboflavin | vitamin B2 [synonym, sense-specific]

Syllabification: (ri·bo·fla·vin) | [biochemistry] | a yellow vitamin of the B complex that is essential for metabolic energy production. It's present ... (19 of 71 words, 4 definitions, pronunciation)

oxforddictionaries​.com​/definition​/american english​/riboflavin

riboflavin [biochemistry] | vitamin B2 [synonym] | lactoflavin

a yellow vitamin of the B complex which is essential for metabolic energy production. It's present in many foods, especially milk, liver, eggs, and ... (24 of 66 words, pronunciation)

oxforddictionaries​.com​/definition​/english​/riboflavin

Random House Dictionary:

riboflavin [biochemistry] | riboflavine | lactoflavin [synonym] | vitamin B [synonym] | C17H20N4O6 [chemical formula]

a vitamin B complex factor appearing as an orange-yellow, crystalline compound derived from ribose, essential for growth, found in milk, fresh meat, ... (22 of 62 words, pronunciations)

dictionary​.infoplease​.com​/riboflavin

Macmillan British Dictionary:

riboflavin [uncountable]

a substance found in eggs, milk, liver, and green vegetables that your body needs to stay healthy. Riboflavin is a vitamin. (21 of 45 words, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/riboflavin

Cambridge Dictionary:

vitamin B2 | vitamin B2 | riboflavin [noun, derived]

a vitamin found in foods such as liver, milk, cheese, yeast and whole grains, important for the production of energy in the cells and for the ... (26 of 39 words, pronunciations)

dictionary​.cambridge​.org​/dictionary​/british​/vitamin-b​2

New World Dictionary:

riboflavin | riboflavine | C17H20N4O6 [chemical formula] | lactoflavin

a yellow crystalline B vitamin, ..., found in milk, eggs, liver, kidney, fruits, leafy vegetables, yeast, etc.; vitamin B: its deficiency in the diet ... (24 of 39 words, pronunciation)

www​.yourdictionary​.com​/riboflavin

riboflavin | riboflavine

a yellow crystalline B vitamin, CHNO, found in milk, eggs, liver, kidney, fruits, leafy vegetables, yeast, etc.; vitamin B: its deficiency in the diet ... (24 of 39 words, pronunciation)

www​.yourdictionary​.com​/riboflavine

American Heritage Dictionary:

riboflavin | lactoflavin | vitamin B2 | C17H20N4O6 [chemical formula] | vitamin G

An orange-yellow crystalline compound, ..., the principal growth-promoting factor in the vitamin B complex, naturally occurring in milk, leafy ... (19 of 37 words, pronunciation)

www​.yourdictionary​.com​/riboflavin

Wiktionary:

riboflavin [biochemistry] | lactoflavin [synonym] | E101 when used as a food colouring [synonym] | vitamin B2 [synonym] | vitamin G [synonym] | riboflavina [Italian, organic chemistry] | vitamina B2 [Italian, organic chemistry] | riboflavine [Italian, plural, organic chemistry] | vitamin B2 [Italian, plural, organic chemistry]

Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals. (23 of 25 words)

en​.wiktionary​.org​/wiki​/riboflavin

Columbia Encyclopedia:

riboflavin

see coenzyme; vitamin. (3 of 5 words)

www​.infoplease​.com​/ce​6​/sci​/A​0918143​.html

Encarta Dictionary:

riboflavin | lactoflavin [biochemistry] | vitamin B2 [biochemistry]

vitamin B2, the yellow component of the B complex group, an important coenzyme in many biochemical processes. C17H20N4O6 (18 of 30 words, pronunciation)

encarta​.msn​.com​/dictionary 1861702625​/definition​.html  [offline]

Etymology references

Online Etymology:

riboflavin

First use: 1935

Origin: German Riboflavin (1935), from "ribose" + flavin, from Latin flavus "yellow", so called from its color.

www​.etymonline​.com​/index​.php term=riboflavin

Merriam-Webster:

riboflavin

First use: 1935

Origin: International Scientific Vocabulary ribo- + Latin flavus yellow

www​.merriam-webster​.com​/dictionary​/riboflavin

Oxford Dictionary:

riboflavin

First use: 1930s

Origin: "ribose" + Latin flavus "yellow" + "-in1"

oxforddictionaries​.com​/definition​/american english​/riboflavin

Collins Dictionary:

riboflavin | riboflavine

First use: 20th century

Origin: from ribose + flavin

www​.collinsdictionary​.com​/dictionary​/english​/riboflavin

New World Dictionary:

riboflavin

Origin: ribose + "flavin"

www​.yourdictionary​.com​/riboflavin

flavin

Origin: Latin flavus, yellow (see "flavone") + "-in"

www​.yourdictionary​.com​/flavin

American Heritage Dictionary:

riboflavin

Origin: "ribose" + "flavin".

www​.yourdictionary​.com​/riboflavin

ribose

Origin: German, alteration of English arabinuse, a kind of sugar: "(gum) arabic" + "-in" + "-ose" [entry 2].

www​.yourdictionary​.com​/ribose

Audio references

Macmillan British Dictionary:

riboflavin [uncountable]

Audio: British English pronunciation of "riboflavin"

www​.macmillandictionary​.com​/dictionary​/british​/riboflavin

Macmillan American Dictionary:

riboflavin [uncountable]

Audio: North American pronunciation of "riboflavin"

www​.macmillandictionary​.com​/dictionary​/american​/riboflavin

Cambridge Dictionary:

vitamin B2 | vitamin B2

Audio 1: British English pronunuciation of "riboflavin"

Audio 2: North American English pronunuciation of "riboflavin"

dictionary​.cambridge​.org​/dictionary​/british​/vitamin-b​2

riboflavin [specialized]

Audio 1: British English pronunuciation of "riboflavin"

Audio 2: North American English pronunuciation of "riboflavin"

dictionary​.cambridge​.org​/dictionary​/british​/riboflavin

the Free Dictionary:

riboflavin

Audio 1: North American English pronunciation of "riboflavin"

Audio 2: British English pronunciation of "riboflavin"

Audio 3: North American English pronunciation of "riboflavin" by speech synthesizer

www​.thefreedictionary​.com​/riboflavin

ovoflavin

Audio 1: North American English pronunciation of "ovoflavin"

Audio 2: British English pronunciation of "ovoflavin"

www​.thefreedictionary​.com​/ovoflavin

Google Dictionary:

riboflavin

Audio: English pronunciation of "riboflavin"

www​.google​.com​/#hl=en&tbs=dfn​:1&fp=1&q=riboflavin

Merriam-Webster Pronunciation:

riboflavin

Audio: North American pronunciation of "riboflavin"

www​.merriam-webster​.com​/audio​.php file=ribofl​01 word=riboflavin

YourDictionary Audio:

riboflavin

Audio: North American English pronunciation of "riboflavin" by speech synthesizer

www​.yourdictionary​.com​/riboflavin

Collins Dictionary:

riboflavine | riboflavin

Audio: North American English pronunciation of "riboflavine"

www​.collinsdictionary​.com​/dictionary​/english​/riboflavine

Page last updated: 2013-06-26

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