rhabdn.

Brit.

/rabd/, U.S.

/ræbd/

Origin: A variant or alteration of another lexical item; probably modelled on a German lexical item. Etymon: rhabdus n.

Etymology: Alteration of rhabdus n., probably after German Rhabd (1889; < English rhabdus n.).

Zoology.

A simple large sponge spicule in the form of a rod with two tapered ends (a diactine spicule). Also: (in more complex spicules) a main ray from which smaller rays diverge; = rhabdome n. Cf. rhabdus n. 2.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > pointed at both ends

oxea1886

rhabd1890

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > having rays

oxyaster1886

polyaxon1887

rhabd1890

polyactine1902

1890 Cent. Dict. Rhabd, a rhabdus.

1895 Proc. & Trans. Liverpool Biol. Soc. 9 209 The skeleton is composed of seven kinds of spicules... (6) Rhabds, situated in the dermal cortex and projecting at right angles.

1940 L. H. Hyman Invertebrates I. vi. 297 Monaxons that develop by growth in both directions from a central point are named diactinal monaxons, diactines, or, briefly, rhabds.

1996 Jrnl. Marine Biol. Assoc. U.K. 76 867 The species..shows a spicular complement composed of spiny rhabds.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rhabd
释义	rhabdn. Brit. /rabd/, U.S. /ræbd/ Origin: A variant or alteration of another lexical item; probably modelled on a German lexical item. Etymon: rhabdus n. Etymology: Alteration of rhabdus n., probably after German Rhabd (1889; < English rhabdus n.). Zoology. A simple large sponge spicule in the form of a rod with two tapered ends (a diactine spicule). Also: (in more complex spicules) a main ray from which smaller rays diverge; = rhabdome n. Cf. rhabdus n. 2. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > pointed at both ends oxea1886 rhabd1890 the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > having rays oxyaster1886 polyaxon1887 rhabd1890 polyactine1902 1890 Cent. Dict. Rhabd, a rhabdus. 1895 Proc. & Trans. Liverpool Biol. Soc. 9 209 The skeleton is composed of seven kinds of spicules... (6) Rhabds, situated in the dermal cortex and projecting at right angles. 1940 L. H. Hyman Invertebrates I. vi. 297 Monaxons that develop by growth in both directions from a central point are named diactinal monaxons, diactines, or, briefly, rhabds. 1996 Jrnl. Marine Biol. Assoc. U.K. 76 867 The species..shows a spicular complement composed of spiny rhabds. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1890
随便看	provostships provosty provulgate provulgation provulge prow prow and poop prow gun prow ornament prow piece prow side prow-decked prow-shaped prowar prowarden prowdecked prowed prower prowess prowessed prowesses prowessful prowest prowestern prowl