elaiosomen.

Brit.

/ᵻˈlʌɪəsəʊm/, U.S.

/əˈlaɪəˌsoʊm/

Origin: A borrowing from German. Etymon: German Elaiosom.

Etymology: < German Elaiosom (R. Sernander 1906, in Kungliga Svenska Vetenskapsakademiens Handlingar 41 vii. 6) < elaio- ( < ancient Greek ἔλαιον oil: see elaeo- comb. form) + -som -some comb. form.

Botany.

Any of various oil-rich structures or tissues attached to or surrounding the seeds of certain plants; esp. one that acts as an attractant to ants that aid dispersal by carrying the seed away from the plant.

ΚΠ

1908 New Phytologist 7 24 In the most striking, and possibly also the most numerous cases [of seeds dispersed by ants], the seeds are provided externally with definite food bodies or elaiosomes.

1956 R. C. McLean & W. R. Ivimey-Cook Textbk. Theoret. Bot. II. xxvi. 1492 Ants..are known to carry small arillate seeds like those of Ulex, Chelidonium and Melampyrum for considerable distances, eventually eating the oily caruncles, or elaiosomes as they are sometimes called.

1990 Sci. Amer. Aug. 58/2 The..dispersal mechanism..that interests us..involves plants that produce an elaiosome, a fat body that is near or attached to a seed.

2003 G. Waldbauer What Good are Bugs? (2004) ii. 55 The great diversity of plants with elaiosomes shows that this useful trait evolved independently many times.

This is a new entry (OED Third Edition, September 2012; most recently modified version published online March 2022).

单词	elaiosome
释义	elaiosomen. Brit. /ᵻˈlʌɪəsəʊm/, U.S. /əˈlaɪəˌsoʊm/ Origin: A borrowing from German. Etymon: German Elaiosom. Etymology: < German Elaiosom (R. Sernander 1906, in Kungliga Svenska Vetenskapsakademiens Handlingar 41 vii. 6) < elaio- ( < ancient Greek ἔλαιον oil: see elaeo- comb. form) + -som -some comb. form. Botany. Any of various oil-rich structures or tissues attached to or surrounding the seeds of certain plants; esp. one that acts as an attractant to ants that aid dispersal by carrying the seed away from the plant. ΚΠ 1908 New Phytologist 7 24 In the most striking, and possibly also the most numerous cases [of seeds dispersed by ants], the seeds are provided externally with definite food bodies or elaiosomes. 1956 R. C. McLean & W. R. Ivimey-Cook Textbk. Theoret. Bot. II. xxvi. 1492 Ants..are known to carry small arillate seeds like those of Ulex, Chelidonium and Melampyrum for considerable distances, eventually eating the oily caruncles, or elaiosomes as they are sometimes called. 1990 Sci. Amer. Aug. 58/2 The..dispersal mechanism..that interests us..involves plants that produce an elaiosome, a fat body that is near or attached to a seed. 2003 G. Waldbauer What Good are Bugs? (2004) ii. 55 The great diversity of plants with elaiosomes shows that this useful trait evolved independently many times. This is a new entry (OED Third Edition, September 2012; most recently modified version published online March 2022). < n.1908
随便看	sewing-rope sewing-society sewing-woman sewing-work sewingbrod sewingclass sewingclerk sewingcotton sewingframe sewinghorse sewingmachine oil sewingmaid sewingmistress sewingpress sewingroom sewingrope sewings sewingsociety sewingwoman sewingwork sewins sewist sewn sewn up sewn-in