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单词 monotocous
释义

monotocousadj.

Brit. /məˈnɒtəkəs/, U.S. /məˈnɑdəkəs/
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek μονοτόκος , -ous suffix.
Etymology: < ancient Greek μονοτόκος bearing one offspring at a time ( < μονο- mono- comb. form + τόκος offspring: see toco- comb. form) + -ous suffix. Compare polytocous adj.
1. Botany. = monocarpic adj. Obsolete. rare.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > fruit or reproductive product > plant that bears fruit > [adjective] > bearing fruit or fruitful > many or spec. number of times
biferous1656
multiferous1656
triferous1656
monocarpous1830
polycarpous1832
sychnocarpous1832
monocarpic1849
polycarpic1849
monocarpian1856
polytocous1879
monotocous1880
hapaxanthic1893
pollakanthic1909
pollakanthous1965
1880 A. Gray Struct. Bot. 33 Monotocous (bearing progeny once)..would be more appropriate [than monocarpic].
2.
a. Zoology. Normally bearing only one at a birth; characterized by this; = uniparous adj. 1.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > [adjective] > bearing only one at birth
uniparous1646
uniparient1788
monotocous1890
1890 Cent. Dict. Monotocous, having only one at a birth; uniparous.
1924 Proc. Royal Soc. 1923–4 B. 95 551 Most of the records which exist on this latter process relate to polytocous animals, in which the question is obviously different from monotocous animals.
1937 A. Huxley Ends & Means xiv. 264 After achieving a stable inner environment, placental and, in some cases, monotocous birth, highly developed sense organs, and a well co-ordinated nervous system, all but one [mammal] proceeded to specialize.
1968 Economist 15 June 49/2 The rest of us, monotocous individuals that we are, certainly ought to be fascinated by all the bizarre phenomena involved in multiple births.
1990 Jrnl. Zool. 222 569 Both monotocous and polytocous bats occur in Malawi.
b. Ornithology. Laying and incubating one egg at a time. Obsolete. rare.Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict. Monotocous,..laying but one egg before incubating, as sundry birds.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1880
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