a particular kind of commercial enterprise | any spherically shaped artifact |
a place where planes take off and land | a particular aspect of life or activity |
a branch of knowledge | the geographical area in which one nation is very influential |
the area that is visible (as through an optical instrument) | the apparent surface of the imaginary sphere on which celestial bodies appear to be projected |
(mathematics) a set of elements such that addition and multiplication are commutative and associative and multiplication is distributive over addition and there are two elements 0 and 1 | a solid figure bounded by a spherical surface (including the space it encloses) |
all of the horses in a particular horse race | a three-dimensional closed surface such that every point on the surface is equidistant from the center |
all the competitors in a particular contest or sporting event | a particular environment or walk of life |
(computer science) a set of one or more adjacent characters comprising a unit of information | |
a piece of land cleared of trees and usually enclosed | |
somewhere (away from a studio or office or library or laboratory) where practical work is done or data is collected | |
a piece of land prepared for playing a game | |
a region in which active military operations are in progress | |
a region where a battle is being (or has been) fought | |
a geographic region (land or sea) under which something valuable is found | |
extensive tract of level open land | |
the space around a radiating body within which its electromagnetic oscillations can exert force on another similar body not in contact with it | |
a particular environment or walk of life | |