vertical riser
11riser — n. 1 a person who rises esp. from bed (an early riser). 2 a vertical section between the treads of a staircase. 3 a vertical pipe for the flow of liquid or gas …
12riser reactor — The cracking portion of the FCC process, essentially a hundred foot tall vertical pipe. Oil, hot catalyst, and steam are injected continuously into the bottom of the riser, and the reaction occurs as the mixture rises to the top. Residence times… …
13riser — /ˈraɪzə/ (say ruyzuh) noun 1. someone who rises, especially from bed: to be an early riser. 2. the vertical face of a stair step. 3. a strap joining the harness to the canopy lines of a parachute …
14riser — noun Date: 15th century 1. one that rises (as from sleep) 2. the upright member between two stair treads 3. a stage platform on which performers are placed for greater visibility 4. a vertical pipe (as for water or gas) or a vertical portion of… …
15riser — ris•er [[t]ˈraɪ zər[/t]] n. 1) a person who rises, esp. from bed 2) bui the vertical face of a stair step 3) bui a) a long low platform on which persons can stand for greater visibility, as on a stage b) risers, a group of such platforms… …
16riser — 1) a fish that rises 2) in aquaculture, the vertical part of a water controlling device, e.g. a monk, q.v 3) rizzer …
17riser — [ geomorphology ] A geomorphic component of terraces, flood plain steps, and other stepped landforms consisting of the vertical or steep side slope (e.g., escarpment) typically of minimal aerial extent. Commonly a recurring part of a series …
18riser — ris·er || raɪzÉ™(r) n. one who rises (especially from bed); vertical board connecting two stair treads; large stair like platform used during stage performances …
19riser valve — Device used to manually control flow of refrigerant in vertical piping …
20Avion à décollage et atterrissage vertical — Aéronef à décollage et atterrissage verticaux Un aéronef à décollage et atterrissage verticaux (dont l acronyme est ADAV) est un aéronef à voilure fixe conçu pour s affranchir des pistes qui lui sont normalement nécessaires pour le décollage et l …
