Any woven material, used for the screening and sieving of solids, having a specified space between strands.

A narrow opening underneath the bottom of a building (or storey) used to give access to pipes, cables and other utilities

Alternative spelling of double-spaced

(mathematics, physics, dynamical system theory) Given a (dynamical) system, any topological space such that every point in the space's underlying set uniquely represents a state of the system and every possible state is represented by some point;

(functional analysis) A normed vector space which is complete with respect to the norm, meaning that Cauchy sequences have well-defined limits that are points in the space.

(initially derogatory) A subgenre of speculative fiction or science fiction that emphasizes space travel, romantic adventure, and larger-than-life characters often set against vast exotic settings.

(mathematics, geometry) A space where the principles of Euclidean geometry apply.

(anatomy) A site within the larynx whose lateral border is the thyroid cartilage and posterior (dorsal) border is the pyriform sinus.

(typography, in fonts whose ideographs are of uniform width) A space of non-variable width: ⊣　⊢ equal to the width of an ideograph, used in Chinese, Japanese, Korean, and other languages that use Siniform ideographs.

(in dated typography) A space of non-variable width: ⊣ ⊢ equal to the width of a period (full stop) or comma, inserted after ⟨“⟩ or ⟨‘⟩ and before ⟨”⟩ or ⟨’⟩ (and sometimes ⟨?⟩ or ⟨!⟩), unless a punctuation mark occurs there. It is Unicode character U+2008. When using X11 input method, the conventional key combination is Compose+Space+Period.