collect 48
collect /k.lekt/ verb 1. to gather over a period of time . Any given object will usually collect ice more quickly at high speed. 2. to take something or to pick something up from a place
collection /k.lek..n/ noun 1. a
number of things brought together . a collection of vintage aircraft 2. an act of being collected by somebody . The documents are in the office awaiting collection.
collide /k.la.d/ verb to bump or to crash into something . The aircraft left the runway and collided with a fire truck.
collision /k.l.(.)n/ noun a crash between two objects, two vehicles, etc.
. If there is a risk of collision, alter course to the right. . collision avoid-ance the prevention of collisions by tak-ing measures beforehand to ensure that they do not happen
column /k.l.m/ noun 1. a body of fluid or solid with a tall, narrow shape .
Torricelli first demonstrated that the atmosphere has weight by showing that it can support a column of liquid. 2. a vertical section of a table in a document
. Column four of the table shows the totals of the other three columns.
combat /k.mbt/ verb to fight against . Fire extinguishers are pro-vided to combat fire.
combat aircraft /k.mbt e.krɑft/ noun aircraft designed for warfare
combination /k.mb.ne..(.)n/
noun two or more things brought together to form one . The combination of wind direction and wind speed is called velocity.
combine /k.mba.n/ verb to bring two or more things together to make one . The stabilising channels for ailer-ons and elevators are combined. . Thrust and lift combine to overcome drag and gravity.
combustible /k.mbst.b(.)l/
adjective burning or igniting easily . combustible materials materials which will catch fire easily, e.g. wood, paper, etc.
combustion /k.mbst..n/ noun
burning, especially that which takes place in an engine . The heat generated by combustion is considerable.
combustion chamber /k.m bst.(.)n t.e.mb./ noun the part of the cylinder in a piston engine where the ignition of the fuel/air mixture takes place
combustor /k.mbst./ noun the
part of a jet or gas-turbine engine that burns fuel to produce power. It consists of the fuel injection system, the igniter, and the combustion chamber.
command /k.mɑnd/ noun an order
. the command to evacuate the order to leave the aircraft in an emergency . in command having responsibility for and authority over . verb to order some-thing to be done . The captain com-manded the evacuation of the aircraft.
commander /k.mɑnd./ noun a
pilot in control of, and responsible for, the aircraft and its contents during flight time . the commander of an aircraft the member of the flight crew specified by the operator as being the commander