(organic chemistry) astaxanthin / (biochemistry) Any of a group of endopeptidases containing a motif that binds zinc

(US) Any of various grasses having bluish stems, including little bluestem and big bluestem.

The time, place and circumstance in which something (such as a story or picture) is set; context; scenario. / The act of setting.

Violence between members of a household, such as spouses.