macronuclearadj.

Brit.

/ˌmakrəʊˈnjuːklɪə/, U.S.

/ˌmækroʊˈn(j)ukliər/

Origin: Formed within English, by compounding. Etymons: macro- comb. form, nuclear adj.

Etymology: < macro- comb. form + nuclear adj., after macronucleus n. Compare earlier micronuclear adj.

Zoology.

Of or relating to a macronucleus.

ΚΠ

1920 Amer. Naturalist 54 455 Macronuclear condensations often resembled micronuclei.

1953 R. Wichterman Biol. Paramecium iii. 90/2 Hemictic animals with the two micronuclei may show variable numbers and sizes of macronuclear fragments.

1997 Jrnl. Molecular Evol. 45 301 The complete macronuclear DNA polymerase alpha gene, previously sequenced in Oxytricha nova, has been cloned from a genomic macronuclear library and sequenced for the hypotrich O. trifallax.

This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).

单词	macronuclear
释义	macronuclearadj. Brit. /ˌmakrəʊˈnjuːklɪə/, U.S. /ˌmækroʊˈn(j)ukliər/ Origin: Formed within English, by compounding. Etymons: macro- comb. form, nuclear adj. Etymology: < macro- comb. form + nuclear adj., after macronucleus n. Compare earlier micronuclear adj. Zoology. Of or relating to a macronucleus. ΚΠ 1920 Amer. Naturalist 54 455 Macronuclear condensations often resembled micronuclei. 1953 R. Wichterman Biol. Paramecium iii. 90/2 Hemictic animals with the two micronuclei may show variable numbers and sizes of macronuclear fragments. 1997 Jrnl. Molecular Evol. 45 301 The complete macronuclear DNA polymerase alpha gene, previously sequenced in Oxytricha nova, has been cloned from a genomic macronuclear library and sequenced for the hypotrich O. trifallax. This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022). < adj.1920
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