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ionic propulsion
ionics
ionise
ionization
ionization chamber
ionization potential
ionize
ionizing radiation
ionone
ionophore
ionosphere
ionospheric wave
iontophoresis
IOOF
iota
iotacism
IOU
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ionone

i·o·none [  ə nn ]


noun 
Definition:
 
violet-smelling liquid: a yellow liquid smelling of violets. Source: plants. Use: manufacture of perfumes. C13H20O

[Late 19th century. < Greek ion "violet"]
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