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单词 pectinaceous
释义

pectinaceousadj.

Brit. /ˌpɛktᵻˈneɪʃəs/, U.S. /ˌpɛktnˈeɪʃəs/, /ˌpɛktəˈneɪʃəs/
Origin: Formed within English, by derivation. Etymons: pectin n., -aceous suffix.
Etymology: < pectin n. + -aceous suffix. Compare pectinous adj.
Biochemistry.
= pectic adj. 2a.
ΘΚΠ
the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [adjective] > from fruits and berries > of the nature of or related to pectin
pectinaceous1844
pectinous1844
1844 R. Dunglison Dict. Med. Sci. (ed. 4) at Pectinous A pectinous or pectinaceous vegetable principle.
1887 H. M. Ward tr. J. von Sachs Lect. Physiol. Plants 328 The share in metabolism taken by some other organic compounds, such as pectinaceous substances.
1947 Bot. Gaz. 108 478 The pore walls react strongly with ruthenium red, and this suggests that they may be constituted either entirely or in part of pectinaceous material.
1993 Amer. Jrnl. Bot. 80 273 These studies demonstrate that the cell wall consists of two pectinaceous domains and that a distinct population of apical vesicles contain methyl esterified pectin.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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adj.1844
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