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Pronunciation varies by accent · noun
(organic chemistry) Any of three isomers of the dialdehyde C₆H₄(CHO)₂ derived from a phthalic acid (but especially the "ortho" isomer).
Use phthalaldehyde when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Phthalaldehyde means (organic chemistry) Any of three isomers of the dialdehyde C₆H₄(CHO)₂ derived from a phthalic acid (but especially the "ortho" isomer).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use phthalaldehyde where its definition matches the intended context.
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