(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"
the work of cleansing (usually with soap and water)
any enterprise in which losses and gains cancel out; "at the end of the year the accounting department showed that it was a wash"
a watercolor made by applying a series of monochrome washes one over the other
a thin coat of water-base paint
the dry bed of an intermittent stream (as at the bottom of a canyon)
to cleanse (itself or another animal) by licking; "The cat washes several times a day"
cleanse (one's body) with soap and water
form by erosion; "The river washed a ravine into the mountainside"
remove by the application of water or other liquid and soap or some other cleaning agent; "he washed the dirt from his coat"; "The nurse washed away the blood"; "Can you wash away the spots on the windows?"; "he managed to wash out the stains"
apply a thin coating of paint, metal, etc., to
clean with some chemical process
cleanse with a cleaning agent, such as soap, and water; "Wash the towels, please!"
separate dirt or gravel from (precious minerals)
move by or as if by water; "The swollen river washed away the footbridge"
admit to testing or proof; "This silly excuse won't wash in traffic court"
be capable of being washed; "Does this material wash?"
the kitchen area for food preparation on an airliner
(classical antiquity) a crescent-shaped seagoing vessel propelled by oars
a large medieval vessel with a single deck propelled by sails and oars with guns at stern and prow; a complement of 1,000 men; used mainly in the Mediterranean for war and trading
the mental attitude that something is believable and should be accepted as true; "he gave credence to the gossip"; "acceptance of Newtonian mechanics was unquestioned for 200 years"
an obstruction that stands in the way (and must be removed or surmounted or circumvented)
something immaterial that stands in the way and must be circumvented or surmounted; "lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases
a polyhedron having a polygonal base and triangular sides with a common vertex
increase rapidly and progressively step by step on a broad base
arrange or build up as if on the base of a pyramid
use or deal in (as of stock or commercial transaction) in a pyramid deal
enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts