a cavity or passage in a tubular organ; "the lumen of the intestine"
a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
(architeture) a tall cylindrical vertical upright and used to support a structure
a vertical cylindrical structure standing alone and not supporting anything (such as a monument)
a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands
an article giving opinions or perspectives
a line of (usually military) units following one after another
a linear array of numbers one above another
anything tall and relatively thin that approximates the shape of a column or tower; "the test tube held a column of white powder"; "a tower of dust rose above the horizon"; "a thin pillar of smoke betrayed their campsite"
computer circuit consisting of an electronic sub-assembly; copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered
(grammar) a word or phrase or clause forming part of a larger grammatical construction
a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes; "needs continued support by constituents to be re-elected"
the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects; "it is not safe to look directly at the sun with the naked eye"
one of several parts or pieces that fit with others to constitute a whole object; "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road"
a self-contained part of a larger composition (written or musical); "he always turns first to the business section"; "the history of this work is discussed in the next section"
a segment of a citrus fruit; "he ate a section of the orange"
a small team of policemen working as part of a police platoon
a small army unit usually having a special function
a division of an orchestra containing all instruments of the same class
(geometry) the area created by a plane cutting through a solid
a distinct region or subdivision of a territorial or political area or community or group of people; "no section of the nation is more ardent than the South"; "there are three synagogues in the Jewish section"
a very thin slice (of tissue or mineral or other substance) for examination under a microscope; "sections from the left ventricle showed diseased tissue"
a land unit of 1 square mile measuring 1 mile on a side
the activity or result of distributing or disposing persons or things properly or methodically; "his organization of the work force was very efficient"
the act of organizing a business or an activity related to a business; "he was brought in to supervise the organization of a new department"
an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here"