propionen.

Brit.

/ˈprəʊpɪəʊn/, U.S.

/ˈproʊpiˌoʊn/

Origin: Formed within English, by derivation. Etymons: propio- comb. form, -one suffix.

Etymology: < propio- comb. form + -one suffix. Compare French propione (1854 or earlier). Compare slightly earlier propionic adj.

Chemistry.

A colourless, liquid ketone; also called pentan-3-one,diethyl ketone.Formula: (C₂H₅)₂CO.

ΚΠ

1852 R. I. Morley in Q. Jrnl. Chem. Soc. 4 1 (heading) On Propione, the Ketone of Propionic Acid.

1866 H. Watts Dict. Chem. IV. 729 Propione, C₅H₁₀O..is sometimes called ethyl-propionyl.

1944 R. W. Moncrieff Chem. Senses (1946) ix. 192 The lower fatty ketones such as..Propione..are pleasant-smelling liquids.

2001 European Polymer Jrnl. 37 1708/1 One kind of lower ketone, propione, was used as probe molecule.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	propione
释义	propionen. Brit. /ˈprəʊpɪəʊn/, U.S. /ˈproʊpiˌoʊn/ Origin: Formed within English, by derivation. Etymons: propio- comb. form, -one suffix. Etymology: < propio- comb. form + -one suffix. Compare French propione (1854 or earlier). Compare slightly earlier propionic adj. Chemistry. A colourless, liquid ketone; also called pentan-3-one,diethyl ketone.Formula: (C₂H₅)₂CO. ΚΠ 1852 R. I. Morley in Q. Jrnl. Chem. Soc. 4 1 (heading) On Propione, the Ketone of Propionic Acid. 1866 H. Watts Dict. Chem. IV. 729 Propione, C₅H₁₀O..is sometimes called ethyl-propionyl. 1944 R. W. Moncrieff Chem. Senses (1946) ix. 192 The lower fatty ketones such as..Propione..are pleasant-smelling liquids. 2001 European Polymer Jrnl. 37 1708/1 One kind of lower ketone, propione, was used as probe molecule. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1852
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