pentoicadj.
/pɛnˈtəʊɪk/, U.S. /pɛnˈtoʊɪk/ Chemistry. Now rare.
Denoting saturated fatty acids containing five carbon atoms in the molecule. Cf. pentanoic adj., valeric adj.
ΚΠ
1877 H. Watts Fownes's Man. Chem. II. 292 Pentoic or Valeric Acids... These acids admit of four metameric modifications.
1883 Philos. Trans. (Royal Soc.) 174 269 The acid which separated out (pentoic acid) was distilled off in a current of steam.
1950 Industr. & Engin. Chem. 42 1675/2 Lockwood..obtained a patent on the production of pentoic acids from pentoses using several species of Pseudomonas.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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adj.1877- steerage of his wings
- steerage officer
- steerage passage
- steerage room
- steerage-hole
- steerage-house
- steerage-passenger
- steerage-power
- steerage-way
- steeragehole
- steeragehouse
- steeragepassenger
- steeragepower
- steerages
- steerageway
- steerageways
- steered
- steerer
- steerers
- steerhide
- steerie
- steering
- steering angle
- steering arm
- steering axle