considerable /k.ns.d(.)r.b(.)l/ adjective a lot of, quite large . The required range of trim change is consid-erable. (NOTE: Considerable does not mean that something should be thought about, as the meaning for the verb consider might suggest.) . a con-siderable amount of fuel a lot of fuel, a large amount of fuel . a considerable
distance a long distance . considera-ble force a lot of force
consideration /k.ns.d.re..(.)n/ noun 1. something important to remem-ber and to think carefully about . to take into consideration to remember to include when thinking about some-thing, solving a problem or making a calculation 2. thoughtfulness, respect .
to show consideration for other peo-ple and property to show respect for what belongs to other people
consist /k.ns.st/ verb . to consist of
to be made up of . Layer cloud names consist of a prefix, according to height of base, and a suffix according to shape.
. to consist in to mean, to be
consistent /k.ns.st.nt/ adjective
always reacting or behaving in the same way . Human hair responds in a con-sistent manner to changes in the rela-tive humidity. . consistent perform-ance performance which maintains a particular standard
consolidate /k.ns.l.de.t/ verb to
make more solid or strong . revision of the subject helps to consolidate it
revision of the subject helps to set it more firmly in the memory
consolidation /k.ns.l.de..(.)n/ noun 1. a process by which something is made more solid or strong 2. the grouping of goods together for ship-ment
constant /k.nst.nt/ adjective
unchanging . the temperature of the gas remains constant the temperature of the gas stays the same . constant pressure pressure which stays the same

constant speed drive unit
/k.nst.nt spid dra.v jun.t/ noun
a device fitted to aircraft with constant speed propellers. Abbreviation CSDU constant speed propeller
/k.nst.nt spid pr.pel./ noun a pro-peller with a control system which auto-matically adjusts pitch to maintain selected rpm
constant speed unit /k.nst.nt spid jun.t/ noun a device that auto-matically keeps a propeller at a speed set by the pilot. Abbreviation CSU

55 contaminate
constituent /k.nst.tjυ.nt/ noun
any one of the various parts that make up a whole . Water, whether in the form of vapour, liquid or ice, is a very impor-tant constituent of the atmosphere.
constitute /k.nst.tjut/ verb to
make up, to form . Oxygen and nitro-gen together constitute most of the atmosphere.
constrain /k.nstre.n/ verb 1. to pre-vent somebody from being completely free or from doing something they want to do . The airline was constrained in its purchase of new aircraft by lack of financial resources. 2. to force some-body to do something . Lack of finan-cial resources constrained the airline to cancel the purchase of new aircraft.