(topology, chiefly US) A fiber bundle whose fiber is the circle and whose base space is a two-dimensional orbifold

(topology, Britain) Alternative spelling of Seifert fiber space

(topology, US) Alternative spelling of Seifert fiber space

plural of waste of space

An utterly worthless person, one unworthy of the space which they occupy.

(neuroanatomy) The space between the arachnoid mater and the pia mater that surrounds the brain and spinal cord, through which the cerebrospinal fluid circulates and major blood vessels pass, and across which extend delicate trabeculae of connective tissue.

A domestic cat of an extinct medium-sized, short-haired breed, originating in the United States during the 1980s, which was bred to resemble a leopard.

The length of time, or span that one can pay attention, or concentrate on one topic without becoming distracted.

present participle of spark

The act of producing a spark.