Fr.: Chevelure de Bérénice
A system of two perpendicular fine threads of wire placed in the focus of the eyepiece of an optical instrument and used as a sighting reference.
Târbast, from târ + bast. The first component târ "thread, string, wire," cognate with tanidan, tan- "to spin, twist, weave," → tension; the second component bast "to bind; to arrange" (past stem of bastan, from Mid.Pers. bastan/vastan "to bind, shut," → band.
mu (#), gis (#), gisu (#)
Fr.: cheveux, chevelure
1) Any of the numerous fine filaments growing from the skin of humans or animals.
M.E. heer; O.E. hær; cf. O.H.G. har, Du. haar, Ger. Haar "hair;" PIE base *kaisaro- "hair," from *ker(s)- "to bristle;" cf. Skt. kesara- "hair, mane (of a horse or lion)."
Mu(y) "hair;" Mid.Pers. môy "hair."
no hair theorem
farbin-e bimu-yi, ~ kacali
Fr.: théorème de calvitie
There are only three parameters that can be applied by an outside observer relating to a → black hole: → mass, → electric charge, and → angular momentum. The collapse of a star into a black hole wipes out all other details of its structure, and the observer can never discover any other properties of the star which formed the black hole. In other words, none of its characteristics leave any trace outside the black hole, and that is what is meant by "hair."
Farbin, → theorem;
bimuyi, noun from bimu "without hair," from bi- "without"
(→ in-) + mu, → hair.