該当件数 : 3件
1回の射精における精子の数を推定する行為 - 日本語WordNet
性交で,射精が異常に遅くおこること - EDR日英対訳辞書
Borrowed from Latin ēiaculātus, perfect passive participle of ēiaculor (“hurl, shoot out”), from ē (“out”) + iaculor (“throw, dart”), from iaculum (“a missile, a dart”), from iaciō (“to throw, to hurl”).
- (Received 発音) IPA(key): /ɪˈdʒæk.jʊ.leɪt/
- (General American) enPR: ĭjăʹkyəlāt, IPA(key): /ɪˈdʒæk.jə.leɪt/
- (Received 発音) IPA(key): /ɪˈdʒæk.jʊ.lət/
- (General American) enPR: ĭjăʹkyələt, IPA(key): /ɪˈdʒæk.jə.lət/
- (transitive) To eject abruptly; to throw out suddenly and swiftly.
- 1712, Richard Blackmore, Creation: A Philosophical Poem. Demonstrating the Existence and Providence of a God. In Seven Books, book I, London: Printed for S. Buckley, at the Dolphin in Little-Britain; and J[acob] Tonson, at Shakespear's Head over-against Catherine-Street in the Strand, OCLC 731619916; 5th edition, Dublin: Printed by S. Powell, for G. Risk, G. Ewing, and W. Smith, in Dame's-street, 1727, OCLC 728300884, page 7:
- (intransitive) To say abruptly.
- 1857, George W[illiam] M[acArthur] Reynolds, The Empress Eugenie's Boudoir, London: Published, for the proprietor, by John Dicks, No. 7, Wellington Street North, Strand, page 52:
- 1892–1893, Cao Xueqin; H. Bencraft Joly, transl., Hung Lou Mêng; or, The Dream of the Red Chamber; a Chinese Novel, Hong Kong: Kelly & Walsh, OCLC 6171971:
- 1922 February, James Joyce, “[Episode 16]”, in Ulysses, Paris: Shakespeare & Co.; Sylvia Beach, OCLC 560090630; republished London: Published for the Egoist Press, London by John Rodker, Paris, October 1922, OCLC 2297483:
- (biology, transitive) To eject or suddenly throw fluid or some other substance from a duct or other body structure.
- (specifically, transitive and intransitive) Of a human being or other mammal: to forcibly eject from the urethra in response to sexual stimulation, in a male, semen; and, in a female, vaginal fluid.
- 1994, Vern L. Bullough; Bonnie Bullough, Human Sexuality: An Encyclopedia [Garland Reference Library of Social Science; 685], New York, N.Y.; London: Garland Publishing, →ISBN, page 180:
- 2012, Q. Ashton Acton, editor, Germ Cells – Advances in Research and Application, Atlanta, Ga.: ScholarlyEditions, →ISBN, page 38:
- 2012, Tim Glover, Mating Males: An Evolutionary Perspective on Mammalian Reproduction, Cambridge: Cambridge University Press, →ISBN, page 78:
- Fluid or some other substance ejected or suddenly thrown from a duct or other body structure; specifically, semen or vaginal fluid ejected by a human being or other mammal during an ejaculation.
- 1971 August, K. L. Macmillan; J. D. Watson, “The Effect on Conception Rate of Mixing Semen from First and Second Ejaculates”, in New Zealand Journal of Agricultural Research, volume 14, number 3, Wellington: Department of Scientific and Industrial Research, page 703:
- If semen from two ejaculates obtained from one bull is mixed, and the conception rate for the mixed sample is compared with that obtained by the use of the two ejaculates independently, any tendency for the mixed sample's conception rate to be closer to that of either of the two individual ejaculates could be used as a sensitive measure of the relationship between the semen characteristics of the two ejaculates and conception rate.
- 1994, Vern L. Bullough; Bonnie Bullough, Human Sexuality: An Encyclopedia [Garland Reference Library of Social Science; 685], New York, N.Y.; London: Garland Publishing, →ISBN, page 181:
- The ejaculate usually spurts out as the prostate gland and surrounding muscles, as well as those at the base of the penis, contract at orgasm. In young males, the force of the spurt can be strong enough for the ejaculate to hit the upper chest; in older males, it may roll out or go an inch or two up the abdomen.
- 2003, Deborah Sundahl, Female Ejaculation and the G-spot, Alameda, Calif.: Hunter House Publishers, →ISBN, page 34:
- 2012, Tim Glover, Mating Males: An Evolutionary Perspective on Mammalian Reproduction, Cambridge: Cambridge University Press, →ISBN, page 79:
- 2016, Todd K. Shackelford [et al.], “Human Sperm Competition”, in David M. Buss, editor, The Handbook of Evolutionary Psychology. Volume 2. Application, volume II, 2nd edition, Hoboken, N.J.: John Wiley & Sons, →ISBN, page 431:
- Ejaculates are costly to produce for human males. Frequent ejaculation, especially more frequent than every other day, results in decreased sperm counts […] , suggesting limits to sperm production. Men hardly seem limited by sperm production, however, given the apparent wastage of sperm. Sperm are continuously lost in the urine, and entire ejaculates are lost during nocturnal emissions and masturbation, although masturbatory ejaculates contain fewer sperm than do copulatory ejaculates […] .
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