α. 1900s– adelphophagy.
β. 1900s– adelphophagia.
adelphophagyn.
/adɛlˈfɒfədʒi/, U.S. /ˌædɛlˈfɑfədʒi/ 1. Biology. The union of gametes of the same sex. rare. Now disused.
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the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > gametes > fusion of
adelphophagy1901
1901 Jrnl. Royal Microsc. Soc. 56 The author adopts Giard's term adelphophagy for a union of gametes of the same sex.
2. Zoology. The consumption by a developing embryo or larva of eggs, embryos, or larvae from the same brood.
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the world > animals > family unit > [noun] > young animal > larva > of larva: ingestion of other eggs or larvae
adelphophagy1928
1928 in C. K. Ogden tr. A. Forel Social World Ants II. v. iii. 270 Huber managed to see how Madam Atta feeds her larvae directly with the eggs she lays (direct adelphophagy).
1979 Jrnl. Exper. Marine Biol. & Ecol. 36 41 Nutrient transfer probably involves nurse eggs and parental body fluids and does not occur by placentation or adelphophagia.
1981 Amer. Zoologist 21 482/1 Adelphophagy..is also known as intrauterine embryonic cannibalism..and occurs when some embryos in a brood prey on their siblings as a food source while still in the ovary or uterus.
2004 Amer. Naturalist 163 637/2 The first form, oophagy, whereby the developing fetus feeds on sibling ova, or adelphophagy, the intrauterine cannibalism of embryos, is found in some amphibians, sharks, and telost fishes.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1901