flav-, flavo-, flavi- +

(Latin: the color [reddish] yellow)

acriflavine
1. A brown or orange powder derived from acridine and used as a topical antiseptic.
2. Fluorescent dye used as a local antiseptic and also as a biological stain.

It intercalates into nucleic acids thereby inhibiting bacterial and viral replication.

bioflavonoid
1. A generic term for a group of compounds that are widely distributed in plants and that are concerned with maintenance of a normal state of the walls of small blood vessels.
2. A biologically active compound found in the rinds of citrus fruits and some other plants.

Any of a group of water-soluble yellow compounds, present in citrus fruits, rose hips, and other plants, that in mammals maintain the resistance of capillary walls to permeation and change of pressure.

flavescent
Turning yellow; yellowish.
flavicomous
Having yellow hair.
flavin, flavine
1. A brownish-red crystalline powder, used as an antiseptic.
2. Any of various water-soluble yellow pigments, including riboflavin, found in plant and animal tissue as coenzymes of flavoprotein.
3. A ketone that gives color to various natural yellow pigments.
flavivirus
A family of viruses transmitted by mosquitoes and ticks that cause some important diseases, including dengue, yellow fever, tick-borne encephalitis virus, and West Nile fever.
flavobacterium
Any of several rod-shaped, aerobic to facultatively anaerobic bacteria of the genus Flavobacterium, inhabiting soil and water.
flavonoid
Any of a group of compounds containing a characteristic aromatic trimeric heterocyclic nucleus, usually occurring in glycosidic form and widely distributed in plants, often as a pigment.

A subgroup with biological activity in mammals is termed the bioflavonoids.

ovoflavin
Riboflavin found in eggs.
riboflavin, lactoflavin
An orange-yellow crystalline compound, the principal growth-promoting factor in the vitamin B complex, naturally occurring in milk, leafy vegetables, fresh meat, and egg yolks.