66 DICTIONARY OF AVIATION
her in a steam or other engin in tuhich the steam or other gas is condenst to liquid form, to be refused.
coniscope 'ken^skop n. [also spelt koniscope] an instrument for showing the amount of dust in the air or atmosfere. compare dusUcounter.
connect ko'nekt tr. Jem, fasten, or link together, as hypo- thetically, the particles of air or other fluid in a region of space.
doubly connected, connected by two, and only two, ir- reconcilable paths: said of a region of space occupied by air or other fluid and containing an obstacle.
multiply connected, connected by two or more paths : said of a region of space occupied by air or other fluid and con- taining one or more obstacles.
simply connected, connected in such a manner that all paths joining any two points are reconcilable, or such that all circuits drawn within it are reducible: said of a region of space occupied by air or other fluid and containing no obstacles.
triply connected, connected by three, and only three, ir- reconcilable paths: said of a region of space occupied by air or other fluid and containing one or more obstacles.
connecting-rope ka'nektirj^oop . a rope which connects a balloon with the ground.
connectivity ,kenek'tivi-ti n. the order of connection of a region of space.
contour 'ken,to:z n. an outline: as, the *centour of a coast; the *centour of a bird; the *centour of a wing; the '"con- tour of a propeller^blade ; specifically, the vertical outline of a portion of the earth's surface such as a rolling country or mountainous region; the tepografic lay-out of a tjact of land; also, a centour^line.
contour- feather 'kon-tor^fedaz n. [also spelt contour* f ether] one of the fethers which determin the detail of the contour or outline of a bird; a surface f ether.
contour-line 'ken-to:z,lain n. a line representing the hori- zontal contour of the earth's surface at a given elevation; a line representing the intersection of the ground^surface with a horizontal plane at a certain height above sea^level; one of a series of lines on a tepografic map showing the elevations and depressions of the surface; a line en a map all points of tuhich have equal elevations from the datum* plane.
contour-map 'ken-to:z,maep n. a map or chart showing the contours of a section of the earth's surface; a tepografic map with centour#lines.
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