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单词 biguttulate
释义

biguttulateadj.

Brit. /bʌɪˈɡʌtjᵿlət/, U.S. /baɪˈɡətʃələt/
Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: bi- comb. form, guttulate adj.
Etymology: < bi- comb. form + guttulate adj., after scientific Latin biguttulatus (1841 or earlier). Compare biguttate adj.
Mycology.
Of a spore: containing two oil droplets or vacuoles.
ΘΚΠ
the world > matter > colour > variegation > spot of colour > [adjective] > spotted > having two spots
bimaculated1769
biguttulate1885
biguttate1887
1885 Jrnl. Mycol. 1 114 Conidia ovate-oblong, biguttulate, hyaline.
1933 L. E. Wehmeyer Genus Diaporthe Nitschke 187 Spores irregularly biseriate, ellipsoid, obtuse, 2-celled,..each cell typically biguttulate.
1988 I. M. Smith et al. European Handbk. Plant Dis. xii. 314/2 Pycnidia with elliptical biguttulate ‘α-conidia’, and filamentous ‘β-conidia’ appear in these lesions.
2007 Mycol. Res. 111 304/2 Conidia mostly oblong-ellipsoidal or suballantoid, becoming biguttulate with age.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online December 2021).
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adj.1885
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