citral b.
See under citral.

1935–40; ner(ol) + -al3 Unabridged


noun Chemistry.
a pale yellow, water-insoluble, liquid aldehyde, C 10 H 16 O, having a strong lemonlike odor, consisting in natural form of two isomers (citral a or geranial and citral b or neral) usually obtained from the oils of lemon and orange or synthetically: used chiefly in perfumery, flavoring, and the synthesis of vitamin A.

1890–95; citr(us) + -al1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
citral (ˈsɪtrəl)
a yellow volatile liquid with a lemon-like odour, found in oils of lemon grass, orange, and lemon and used in perfumery: a terpene aldehyde consisting of the cis- isomer (citral-a or geranial) and the trans- isomer (citral-b or neral). Formula: (CH3)2C:CH(CH2)2C(CH3):CHCHO
[C19: from citr(us) + -al³]

neral (ˈnɪəræl)
chem the trans- isomer of citral
[C20: from nerol (an alcohol from neroli oil) + -al³]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
The country's miner als industry continued to show stabilization and rare mi neral and paleontological sites.
Ge neral provisions may be of a policy or operational character.
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