| sex-linked inheritance | The pattern of inheritance that may result from a mutant gene located on either the X or Y chromosome. (05 Mar 2000) |
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| sex-linked locus | Any locus that in normal karyotypes is borne on a heterosome; commonly but incorrectly applied to an X-linked locus. (05 Mar 2000) |
| sexagenary | 1. Something composed of sixty parts or divisions. 2. A sexagenarian. Pertaining to, or designating, the number sixty; poceeding by sixties; sixty years old. Sexagenary arithmetic. See Sexagesimal. <mathematics> Sexagenary, or Sexagesimal, scale, a scale of numbers in which the modulus is sixty. It is used in treating the divisions of the circle. Origin: L. Sexagenarius, fr. Sexageni sixty each, akin to sexaginta sixty, sex six: cf. Sexagenaire. See Six. Source: Websters Dictionary (01 Mar 1998) |
| sexagesima | The second Sunday before Lent; so called as being about the sixtieth day before Easter. Origin: L, fem. Of sexagesimus sixtieth, fr. Sexaginta sixty. Source: Websters Dictionary (01 Mar 1998) |
| sexagesimal | Pertaining to, or founded on, the number sixty. <mathematics> Sexagesimal fractions or numbers, those fractions whose denominators are some power of sixty; as, 1/60, 1/3600, 1/216000; called also astronomical fractions, because formerly there were no others used in astronomical calculations. Sexagesimal, or Sexagenary, arithmetic, the method of computing by the sexagenary scale, or by sixties. <mathematics> Sexagesimal scale, the sexagenary scale. Origin: Cf. F. Sexagesimal. Source: Websters Dictionary (01 Mar 1998) |
| sexangle | <geometry> A hexagon. Origin: L. Sexangulus sexangular; sex six + angulus angle: cf. F. Sexangle. Cf. Hexangular. Source: Websters Dictionary (01 Mar 1998) |
| sexdigitate | Having six digits on one or both hands or feet. Synonym: sedigitate. Origin: L. Sex, six, + digitus, finger or toe (05 Mar 2000) |
| sexduction | f duction Previous: sex differentiation disorders, sexdigitate, sex disorders, sex distributionNext: sex duction, sexed, sex education, sex factor, sex factors, sex hormonesex duction <molecular biology> The transfer of genes from one bacterium to another by the process of conjugation. May involve one bacterium with an F' plasmid, in which case the process is called f duction. (14 Oct 1997) |
| sexed | Belonging to sex; having sex; distinctively male of female; as, the sexed condition. Source: Websters Dictionary (01 Mar 1998) |
| sexifid | <botany> Six-cleft; as, a sexfid calyx or nectary. Origin: Sex- + root of L. Findere to split: cf. F. Sexfide. Source: Websters Dictionary (01 Mar 1998) |
| sexivalent | Having a valence of six. Origin: L. Sex, six, + valencia, strength (05 Mar 2000) |
| sexlocular | <botany> Having six cells for seeds; six-celled; as, a sexlocular pericarp. Origin: Sex- + locular: cf. F. Sexloculaire. Source: Websters Dictionary (01 Mar 1998) |
| sexology | The study of all aspects of sex and, in particular, sexual behaviour. Origin: L. Sexus, sex, + G. Logos, study (05 Mar 2000) |
| sexradiate | <zoology> Having six rays; said of certain sponge spicules. Origin: Sex- + radiate. Source: Websters Dictionary (01 Mar 1998) |
| sext | The office for the sixth canonical hour, being a part of the Breviary. The sixth book of the decretals, added by Pope Boniface VIII. Origin: L. Sexta, fem. Of sextus sixtt, fr. Sex six: cf. F. Sexte. Source: Websters Dictionary (01 Mar 1998) |