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n. pl. pyx·id·i·a (-ē-ə)
A pyxis.

[New Latin, from Greek puxidion, diminutive of puxis, box.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(pɪkˈsɪdɪəm) or


n, pl -ia (-ɪə) or pyxides (ˈpɪksɪˌdiːz)
(Botany) the dry fruit of such plants as the plantain: a capsule whose upper part falls off when mature so that the seeds are released
[C19: via New Latin from Greek puxidion a little box, from puxis box, pyx]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pɪkˈsɪd i əm)

n., pl. pyx•id•i•a (pɪkˈsɪd i ə)
a seed vessel that opens transversely, the top part acting as a lid, as in the purslane.
[1825–35; < New Latin < Greek pyxídion, diminutive of pyxís, s. pyxid- a box]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyxidium - fruit of such plants as the plantainpyxidium - fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released
fruit - the ripened reproductive body of a seed plant
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Table A1 List of all taxa analyzed and total number of contigs after assembly Taxon Total contig number Choanoflagelata Acanthoeca spectabilis W.Ellis, 1930 198,922 Salpingoeca pyxidium Kent 202,399 Metazoa Porifera Hyalonema papilliferum Schulze, 1899 58,839 Kirkpatrickia variolosa (Kirkpatrick, 1907) 100,231 Latrunculia apicalis Ridley & Dendy, 1886 76.210 Rossella fibulata Schulze & Kirkpatrick.
Fruit is utricle or pyxidium. Seeds are lenticular and tiny (0.9 to 1.7 mm diameter and 1000-seed weights from 0.6 to 1 g) that are typically dispersed by wind, water, or birds, having extended period of germination with prolific seed production and a base chromosome number of 16 or 17 (Stevens, 1932; Sauer, 1967; Kigel, 1994; Pratt et al., 1999; Franssen et al., 2001b; Costea & Tardif, 2003; Mosyakin & Robertson, 2003; Costea et al, 2004; Steckel, 2004).