cyano

Chemistry's blue indicator

Cyano is a combining form meaning blue or relating to cyanide.

In chemistry, it indicates the presence of a cyanide group: cyanocobalamin (vitamin B12), cyanoacrylate (super glue).

In biology and medicine, it signals bluish discoloration from oxygen deficiency: cyanosis, cyanotic.

The prefix comes from the Greek word for dark blue.

blue

azure

Light sky tone

cerulean · sapphire · cobalt · indigo · navy · ultramarine · cornflower · periwinkle · blue-green · sky-blue

cyanobacteria

bloom

Flower or flourishing state

freshwater · phytoplankton · toxins · stromatolites · chlorophyll · aquatic · microbiology

coordination

ligand

Molecule that binds centrally

hexacyanoferrate · spectroscopy · bonding · chelation

chemistry

nitriles

Organic cyano compounds

organic · polymerization · bonds · reactivity · laboratory

Opposites
color spectrum

cyanomagenta

Vivid purplish-red hue

red · orange · yellow · scarlet · vermillion

warm vs cool color temperature

cyanored

Primary color, warm

orange · yellow · warm · golden · fiery

Phrases
Family

cyan, cyanide, cyanosis, cyanobacteria, cyanogen, cyanotype

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