(informal) Synonym of younger sister

plural of kid sister

(astronomy) a planet that shares similar physical characteristics, such as size, density and mass, with another planet

Of or pertaining to Pope Sixtus.

(genetics) The coupling of replicated sister chromatids along the whole length of a chromosome

Alternative spelling of three-quarter sister

plural of 3/4 sister

plural of three-quarter sister

(horse breeding) The female offspring of a horse's sire/dam that is by/out of a sibling of its other parent. / (horse breeding) The female offspring of a horse's dam and a son of its sire.

A dialect of the Persian language that is spoken mostly in Sistan region with distinctive grammar and phonology.