† monoplastn.

Origin: Formed within English, by compounding. Etymons: mono- comb. form, -plast comb. form.

Etymology: < mono- comb. form + -plast comb. form. N.E.D. (1907) gives the pronunciation as (mǫ·noplæst) /ˈmɒnəʊplæst/.

Biology. Obsolete.

A unicellular organism; an ovum. Also: any of the particles of which cellular protoplasm is supposedly composed (rare).

ΘΚΠ

the world > life > biology > organism > organisms by number or kind of cells > [noun]

Euglena1858

monoplast1877

polyplastid1884

homoplastide1889

monoplastid1889

diploid1908

1877 E. R. Lankester in Q. Jrnl. Microsc. Sci. 17 403 The Monoplast = Ovum.

1887 Proc. Boston Soc. Nat. Hist. 23 397 The stages of holoblastic ova may be..classified as follows..(1) The ovum or Monoplast..; (2) the first stage of segmentation..; (3) the second stage of segmentation... We have proposed to classify these stages under the name of Protembryo.

1927–9 H. Wheeler Waverley Children's Dict. V. 2822/2 Monoplast,..a creature consisting of a single cell.

Derivatives

monoplastic adj.

ΘΚΠ

the world > life > biology > organism > organisms by number or kind of cells > [adjective]

monocellular1854

multicellular1857

unicellular1858

monoplastic1877

unicelled1877

multicelled1884

acellular1886

monoplastid1889

tricellular1891

single-celled1899

mixed-celled1908

microcellular1909

1877 E. R. Lankester in Q. Jrnl. Microsc. Sci. 17 403 The monoplastic phase of individual development.

1927–9 H. Wheeler Waverley Children's Dict. V. 2822/2 A monoplastic..organism is a single-celled one.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online June 2018).

单词	monoplast
释义	† monoplastn. Origin: Formed within English, by compounding. Etymons: mono- comb. form, -plast comb. form. Etymology: < mono- comb. form + -plast comb. form. N.E.D. (1907) gives the pronunciation as (mǫ·noplæst) /ˈmɒnəʊplæst/. Biology. Obsolete. A unicellular organism; an ovum. Also: any of the particles of which cellular protoplasm is supposedly composed (rare). ΘΚΠ the world > life > biology > organism > organisms by number or kind of cells > [noun] Euglena1858 monoplast1877 polyplastid1884 homoplastide1889 monoplastid1889 diploid1908 1877 E. R. Lankester in Q. Jrnl. Microsc. Sci. 17 403 The Monoplast = Ovum. 1887 Proc. Boston Soc. Nat. Hist. 23 397 The stages of holoblastic ova may be..classified as follows..(1) The ovum or Monoplast..; (2) the first stage of segmentation..; (3) the second stage of segmentation... We have proposed to classify these stages under the name of Protembryo. 1927–9 H. Wheeler Waverley Children's Dict. V. 2822/2 Monoplast,..a creature consisting of a single cell. Derivatives monoplastic adj. ΘΚΠ the world > life > biology > organism > organisms by number or kind of cells > [adjective] monocellular1854 multicellular1857 unicellular1858 monoplastic1877 unicelled1877 multicelled1884 acellular1886 monoplastid1889 tricellular1891 single-celled1899 mixed-celled1908 microcellular1909 1877 E. R. Lankester in Q. Jrnl. Microsc. Sci. 17 403 The monoplastic phase of individual development. 1927–9 H. Wheeler Waverley Children's Dict. V. 2822/2 A monoplastic..organism is a single-celled one. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online June 2018). < n.1877
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