os3 (os)

[Sw. as, pl. asar.] In geol., a Swedish term for certain elongated ridges of detrital material, generally considered to be of glacial origin, or in some not yet clearly explained way connected with the former presence of ice in the region where they occur. Some of these ridges in Sweden are over a hundred miles in length, and so regular in form that they are not infrequently used as roads. In Scotland they are called kames, in Ireland eskars. See eskar. Os. In chem., the symbol for osmium . O. S. An abbreviation (a) of old style ; (b) of Old Saxon ; (c) of old series . Osage orange. See Maclura. osannat, interj. and n. An obsolete form of hosanna. osannet, interj. and n. A Middle English form of hosanna. Osborne beds or series. See series.