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单词 petiolus
释义

petiolusn.

Brit. /ˌpɛtɪˈəʊləs/, /ˌpiːtɪˈəʊləs/, U.S. /ˌpɛdiˈoʊləs/
Inflections: Plural petioli.
Origin: A borrowing from Latin. Etymons: Latin petiolus, peciolus.
Etymology: < classical Latin petiolus, variant (in later manuscripts and editions) of peciolus little foot, stalk of fruit, probably representing a diminutive formation < ped- , pēs foot (see -ped comb. form); compare -ole suffix1. In specific use in sense 1 after scientific Latin petiolus leaf stalk (Linnaeus, 1751 or earlier). With sense 2 compare earlier petiole n. 2.
Botany and Zoology.
1. Botany. In early use: the stalk of a plant part (leaf, flower, etc.). Later: spec. a leaf stalk; = petiole n. 1. Now rare.
ΘΚΠ
the world > plants > part of plant > leaf > petiole or leaf-stalk > [noun]
footstalk1562
leaf stalka1671
petiolus1707
petiole1753
petiolule1792
subpetiole1827
stalklet1835
phyllodium1840
phyllode1848
1707 H. Sloane Voy. Islands I. 56 On the two sides, making the Angle opposite to the Petiolus, were the Seeds in a ferrugineous Welt.
1725 J. Douglas Lilium Sarniense 23/1 The Root of the Petiolus of the Flower that was cut off.
1760 P. Miller Short Introd. Bot. 16 The footstalk of the leaf petiolus, is that which sustains the leaf.
1785 Philos. Trans. (Royal Soc.) 75 357 The petiolus was the seat both of sense and action.
1802 Trans. Amer. Philos. Soc. 61 61 The petioli, or foot-stalks of the leaves and the seeds..are covered with a brown powder.
2000 Pflugers Archiv 439 (Suppl. No. 3) R190/1 The differences in amplitudes of vibrations between the stem and the adjacent petioli of leaves potentially permitted direction finding in the green stink bug males.
2. Zoology. = petiole n. 2.
ΘΚΠ
the world > animals > animal body > general parts > [noun] > slender or pointed part > stalk-like
pedicle1703
peduncle1717
petiole1783
stipes1826
petiolus1890
stipe1891
1826 W. Kirby & W. Spence Introd. Entomol. III. 389 Petiolus (the Footstalk). A slender part by which the abdomen of many Hymenoptera is united to the trunk.]
1890 Cent. Dict. Petiolus, in bot. and zoöl., a petiole.
1939 Ann. Entomol. Soc. Amer. 32 494 Length of abdomen from petiolus to end of spinnerets 2.45 mm.
1977 Jrnl. Animal Ecol. 46 457 The ants can be marked..with a tiny ring around the petiolus.
1985 Jrnl. Laryngol. & Otol. 99 793 In particular the petiolus and the anterior commissure are accessible with the flexible tip of the bronchoscope.
1995 Apidologie 26 141 The grooming behavior removed dust and pollen from the wing bases and petiolus.
This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1707
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