sigillaroidとは 意味・読み方・使い方

語源

From Sigillaria +‎ -oid.

形容詞

Sigillaroid (not comparable)

1. Of, pertaining to, or having characteristics of the genus Sigillaria of extinct trees.
   • 1860, J. W. Dawson, On a Terrestrial Mollusk, a Chilognathous Myriapod, and fome New Species of Reptiles, from the Coal-Formation of Nova Scotia, Proceedings of the Geographical Society, The Quarterly Journal of the Geological Society of London, page 269,

     On microscopic examination, this mineral charcoal displays elongated wood-cells, some of them with the pores or discs in several rows, as in many Sigillaroid trees.

   • 1868, John William Dawson, Acadian Geology‎^[1], page 191:

     It is, however, possible that this older forest, represented by coaly stumps, may have consisted of Sigillaroid trees.

   • 1873, Philosophical Transactions of the Royal Society of London, Volume 162, page 227,

     In the latter plant, now well known to be a Sigillaroid root, we find no inner or medullary cylinder of vessels.

   • 1907, Gas Journal, Volumes 97-98, page 345,

     Further, in the underclays it is quite a common thing to find a mass of clay literally crammed with ribbon-shaped markings of the roots of Sigillaroid plants.

同意語

• (of pertaining to, または having characteristics of Sigillaria): Sigillarian/sigillarian