Protamoeban.

Brit.

/ˌprəʊtəˈmiːbə/, U.S.

/ˌproʊdəˈmibə/

Origin: A borrowing from Latin. Etymon: Latin Protamoeba.

Etymology: < scientific Latin Protamoeba, genus name ( Haeckel Generelle Morphologie (1866) I. v. 133) < proto- proto- comb. form + Amoeba amoeba n.

Biology. Now historical.

A genus of supposed simple or primitive amoebae having lobate pseudopodia and lacking a nucleus and contractile vacuole; an organism of this genus.The supposed organism on which the genus was based was later discovered to have been a fragment of an amoeba. Cf. Protogenes n.

ΚΠ

1873 Proc. Amer. Philos. Soc. 1871–2 12 240 The simplest forms of life, as stated by Haeckel, are simply homogeneous drops of protoplasm (Protamoeba).

1875 Encycl. Brit. I. 843/1 To the group Monera belong the genera Protamœba, Protogenes, and Bathybius.

1877 T. H. Huxley Man. Anat. Invertebrated Animals ii. 79 It is open to doubt..whether either Protamœba, Protogenes, or Myxodictyum is anything but one stage of a cycle of forms.

1989 Jrnl. Hist. Biol. 22 294 According to Copeland (1947), ‘Moneres’ was not an appropriate term because the presumptive type, Protamoeba, turned out to have been a fragment of an amoeba.

Derivatives

† protamoeban adj. and n. Obsolete rare (a) adj.of, relating to, or belonging to this genus; (b) n. a member of this genus.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Protamœban, having the characters of Protamœba. A member of the genus Protamœba.

† protamoeboid adj. Obsolete rare resembling or related to an organism of this genus.

ΚΠ

1883 J. E. Ady in Knowledge 15 June 355/2 The thousands of other protamœboid creatures.

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

单词	protamoeba
释义	Protamoeban. Brit. /ˌprəʊtəˈmiːbə/, U.S. /ˌproʊdəˈmibə/ Origin: A borrowing from Latin. Etymon: Latin Protamoeba. Etymology: < scientific Latin Protamoeba, genus name ( Haeckel Generelle Morphologie (1866) I. v. 133) < proto- proto- comb. form + Amoeba amoeba n. Biology. Now historical. A genus of supposed simple or primitive amoebae having lobate pseudopodia and lacking a nucleus and contractile vacuole; an organism of this genus.The supposed organism on which the genus was based was later discovered to have been a fragment of an amoeba. Cf. Protogenes n. ΚΠ 1873 Proc. Amer. Philos. Soc. 1871–2 12 240 The simplest forms of life, as stated by Haeckel, are simply homogeneous drops of protoplasm (Protamoeba). 1875 Encycl. Brit. I. 843/1 To the group Monera belong the genera Protamœba, Protogenes, and Bathybius. 1877 T. H. Huxley Man. Anat. Invertebrated Animals ii. 79 It is open to doubt..whether either Protamœba, Protogenes, or Myxodictyum is anything but one stage of a cycle of forms. 1989 Jrnl. Hist. Biol. 22 294 According to Copeland (1947), ‘Moneres’ was not an appropriate term because the presumptive type, Protamoeba, turned out to have been a fragment of an amoeba. Derivatives † protamoeban adj. and n. Obsolete rare (a) adj.of, relating to, or belonging to this genus; (b) n. a member of this genus.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Protamœban, having the characters of Protamœba. A member of the genus Protamœba. † protamoeboid adj. Obsolete rare resembling or related to an organism of this genus. ΚΠ 1883 J. E. Ady in Knowledge 15 June 355/2 The thousands of other protamœboid creatures. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1873
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