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Pronunciation varies by accent · noun
(biochemistry, now rare) A yellow pigment in plants grown without sufficient light; a precursor of chlorophyll..
The formation of a yellow pigment in small grains in the cells of plant structures grown in the dark has long been recognised. The pigment was known to be soluble in alcohol and was called "etiolin" by Pringsheim (1874) because it occurred in etiolated structures.
Use etiolin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Etiolin means (biochemistry, now rare) A yellow pigment in plants grown without sufficient light; a precursor of chlorophyll..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The formation of a yellow pigment in small grains in the cells of plant structures grown in the dark has long been recognised. The pigment was known to be soluble in alcohol and was called "etiolin" by Pringsheim (1874) because it occurred in etiolated structures.
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