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a colorless liquid aldehyde


substance noun (substance and materials)

Original source:

Princeton WordNet

Definition references  (+images)

American Heritage Dictionary:

propionaldehyde | C2H5CHO [chemical formula]

A flammable liquid, ..., used in the manufacture of plastics and rubber chemicals. (13 of 20 words, pronunciation)



Propionaldehyde | propanal | Methylacetaldehyde [synonym] | propionic aldehyde [synonym] | propaldehyde [synonym] | Propanal [IUPAC name] | C3H6[chemical formula]

the organic compound with the formula CH3CH2CHO. It's a saturated 3-carbon aldehyde and is a structural isomer of acetone. It's a colourless liquid with a slightly irritating, fruity odour. Propionaldehyde is mainly produced ... (33 of 579 words, 1 image)



propionaldehyde [organic chemistry] | CH3-CH2-CHO [chemical formula] | propanal [organic chemistry] | propanals [plural, organic chemistry] | propionaldehydes [plural]

The aliphatic aldehyde CH3-CH2-CHO; it's used in the manufacture of plastics etc. (12 of 16 words)


Random House Dictionary:

propionaldehyde [chemistry] | propyl aldehyde [synonym] | C3H6[chemical formula]

a colorless, water-soluble liquid having a pungent odor: used chiefly in the manufacture of plastics. (15 of 26 words, pronunciation)


Britannica Encyclopedia:

aldehyde [chemical compound] | CH3CH2CH2CH3 [chemical formula] | CH3CH2CHO [chemical formula] | CH3COCH3 [chemical formula] | CH3CHO [chemical formula]

any of a class of organic compounds, in which a carbon atom shares a double bond with an oxygen atom, a single bond with a hydrogen atom, and a single ... (30 of 1022 words, 2 images)


Collins Dictionary:


any organic compound containing the group -CHO. Aldehydes are oxidized to carboxylic acids and take part in many addition reactions | [modifier] ... (21 of 350 words, 2 definitions, 4 usage examples, pronunciation)


Columbia Encyclopedia:


any of a class of organic compounds that contain the carbonyl group, and in which the carbonyl group is bonded to at least one hydrogen; the general ... (27 of 163 words, pronunciation)


Oxford Dictionary:

aldehyde | aldehydic [derived]

Syllabification: (al·de·hyde) | [chemistry] | an organic compound containing the group _CHO, formed by the oxidation of alcohols. Typical aldehydes ... (18 of 59 words, 3 definitions, pronunciations)

oxforddictionaries​.com​/definition​/american english​/aldehyde

aldehyde [chemistry] | aldehydic [derived]

an organic compound containing the group _CHO, formed by the oxidation of alcohols. Typical aldehydes include methanal (formaldehyde) and ethanal ... (20 of 56 words, pronunciations)



aldehyde | acetaldehyde [synonym] | aldehydic [adjective, related]

"acetaldehyde"; broadly; any of a class of highly reactive organic compounds that are analogous to acetaldehyde and characterized by a carbonyl group ... (22 of 55 words, pronunciations)


New World Dictionary:

aldehyde | aldehydic [adjective, related]

any of a class of organic compounds containing the CHO group, including formaldehyde and acetaldehyde (15 of 31 words, pronunciations)


Encarta Dictionary:

aldehyde | aldehydes [plural] | -al

an organic compound containing a carbon atom connected to an oxygen atom by a double bond and to a hydrogen atom | relating to the chemical group ... (26 of 78 words, 2 definitions, pronunciations)

encarta​.msn​.com​/dictionary 1861584562​/definition​.html  [offline]

Page last updated: 2013-06-26

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