macrogametophyten.

Brit.

/ˌmakrəʊɡəˈmiːtə(ʊ)fʌɪt/,

/ˌmakrəʊˈɡamᵻtəfʌɪt/, U.S.

/ˈˌmækroʊɡəˈmidəˌfaɪt/

Origin: Formed within English, by compounding. Etymons: macro- comb. form, gametophyte n.

Etymology: < macro- comb. form + gametophyte n., after macrogamete n. Compare earlier microgametophyte n.

Botany.

= megagametophyte n.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > types of

acrogen1834

endophyte1835

oophore1875

zygophyte1885

oophyte1886

microgametophyte1907

megagametophyte1915

macrogametophyte1931

1931 Bot. Gaz. 92 23 (heading) Development of the macrogametophyte and embryo of Daucus carota.

1938 G. M. Smith Cryptogamic Bot. II. vii. 193 The developing embryo of Selaginella always pushes deeply into the macrogametophyte by means of a suspensor.

1992 Genetica Polonica 33 297 The observed allozyme segregation in macrogametophytes of heterozygous trees.

This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).

单词	macrogametophyte
释义	macrogametophyten. Brit. /ˌmakrəʊɡəˈmiːtə(ʊ)fʌɪt/, /ˌmakrəʊˈɡamᵻtəfʌɪt/, U.S. /ˈˌmækroʊɡəˈmidəˌfaɪt/ Origin: Formed within English, by compounding. Etymons: macro- comb. form, gametophyte n. Etymology: < macro- comb. form + gametophyte n., after macrogamete n. Compare earlier microgametophyte n. Botany. = megagametophyte n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > types of acrogen1834 endophyte1835 oophore1875 zygophyte1885 oophyte1886 microgametophyte1907 megagametophyte1915 macrogametophyte1931 1931 Bot. Gaz. 92 23 (heading) Development of the macrogametophyte and embryo of Daucus carota. 1938 G. M. Smith Cryptogamic Bot. II. vii. 193 The developing embryo of Selaginella always pushes deeply into the macrogametophyte by means of a suspensor. 1992 Genetica Polonica 33 297 The observed allozyme segregation in macrogametophytes of heterozygous trees. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < n.1931
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