pyxidiumn.

Brit.

/pɪkˈsɪdɪəm/, U.S.

/pɪkˈsɪdiəm/

Inflections: Plural pyxidia.

Forms: 1800s– pyxidium, 1900s– pixidium.

Origin: A borrowing from Greek. Etymon: Greek πυξίδιον.

Etymology: < Hellenistic Greek πυξίδιον small box < πυξίς box (see pyx n.¹) + -ίδιον -idium comb. form. Compare scientific Latin Pyxidium , genus name (1757 or earlier). Compare earlier pyxidated adj.

Botany.

In a flowering plant: a capsule opening by transverse dehiscence, so that the top comes off like the lid of a box.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [noun] > capsule

heada1398

boll?a1500

bladder1578

bollen1578

bullion1589

bob1615

hive1665

seed box1677

capsule1693

amphora1821

pyxis1821

pyxidium1832

pore capsule1878

1832 Encycl. Brit. V. 42/1 When a capsule opens transversely, it is called a pyxidium.

1857 A. Henfrey Elem. Course Bot. 143 The Pyxidium is a one- or more-celled, many-seeded fruit, the upper part of which falls off like a lid by circumscissile dehiscence.

1909 A. F. M. Johnson Text-bk. Bot. for Students i. iv. 64 In the Scarlet Pimpernel..the top of the capsule comes off as a lid... This form of capsule is called a Pyxidium.

1946 Amer. Jrnl. Bot. 33 681/1 Dehiscence in the pyxidium cannot be accounted for completely by differential drying. It occurs while both halves of the fruit still contain living cells.

1993 A. H. Gentry Woody Plants Northwest S. Amer. (1996) 497 The fruit of most genera [of the Lecythidaceae] is a pixidium, or ‘monkey pot’, with an operculate lid that comes off to release the seeds.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyxidium
释义	pyxidiumn. Brit. /pɪkˈsɪdɪəm/, U.S. /pɪkˈsɪdiəm/ Inflections: Plural pyxidia. Forms: 1800s– pyxidium, 1900s– pixidium. Origin: A borrowing from Greek. Etymon: Greek πυξίδιον. Etymology: < Hellenistic Greek πυξίδιον small box < πυξίς box (see pyx n.¹) + -ίδιον -idium comb. form. Compare scientific Latin Pyxidium , genus name (1757 or earlier). Compare earlier pyxidated adj. Botany. In a flowering plant: a capsule opening by transverse dehiscence, so that the top comes off like the lid of a box. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [noun] > capsule heada1398 boll?a1500 bladder1578 bollen1578 bullion1589 bob1615 hive1665 seed box1677 capsule1693 amphora1821 pyxis1821 pyxidium1832 pore capsule1878 1832 Encycl. Brit. V. 42/1 When a capsule opens transversely, it is called a pyxidium. 1857 A. Henfrey Elem. Course Bot. 143 The Pyxidium is a one- or more-celled, many-seeded fruit, the upper part of which falls off like a lid by circumscissile dehiscence. 1909 A. F. M. Johnson Text-bk. Bot. for Students i. iv. 64 In the Scarlet Pimpernel..the top of the capsule comes off as a lid... This form of capsule is called a Pyxidium. 1946 Amer. Jrnl. Bot. 33 681/1 Dehiscence in the pyxidium cannot be accounted for completely by differential drying. It occurs while both halves of the fruit still contain living cells. 1993 A. H. Gentry Woody Plants Northwest S. Amer. (1996) 497 The fruit of most genera [of the Lecythidaceae] is a pixidium, or ‘monkey pot’, with an operculate lid that comes off to release the seeds. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1832
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