noun pro·to·catechualdehyde
variants: or

protocatechuic aldehyde

\"+¦katə¦chüik, -¦shüik, -¦kyüik-\

Definition of protocatechualdehyde

  1. :  a crystalline compound C6H3(OH)2CHO which is synthetically prepared and the monomethyl ether of which is vanillin; 3,4-dihydroxy-benzaldehyde

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Origin and Etymology of protocatechualdehyde

protocatechualdehyde International Scientific Vocabulary protocatechuic acid + aldehyde

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a rounded knoll or a ridge of ice

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