heneicosoicadj.
/ˌhɛnʌɪkəˈsəʊɪk/, U.S. /ˌhɛnaɪkəˈsoʊɪk/ Chemistry.
heneicosoic acid n. a saturated carboxylic acid containing twenty-one carbon atoms; = heneicosanoic acid n. at heneicosanoic adj.
ΚΠ
1915 Jrnl. Chem. Soc. 107 i. 738 Heneicosoic acid, CH3·[CH2]19 ·CO2H, is readily soluble in ether.
1975 L. J. Bellamy Infra-red Spectra Complex Molecules (ed. 3) x. 197 As the carbon chain lengthens the number of such bands increased and heneicosoic acid (C21) shows nine such bands, the lowest being at 1184 cm-1.
This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022).
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adj.1915- focal line
- focal plane
- focal plane array
- focal plane tomography
- focal point
- focal property
- focal ratio
- focal surface
- focal tangent
- focal-plane shutter
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