0 present participle of trial
1 the process of formally testing a product to discover how effective or suitable it is:
Trialling has begun in schools, with promising feedback, but further feedback, after several years' use, will prove more worthwhile.
Trialling the system using an anthropomorphic phantom.
It is a living document on which we shall continually be carrying out much more training, trialling and rehearsal.
We envisage enabling legislation which would allow a number of pilot schemes to run for several years, trialling new approaches to school transport.
For reasons of personal confidentiality, only the corporate identities of trialling agents is released into the public domain.
Our research programme identified a by-catch problem in this fishery and is now trialling a possible gear solution.
Eight police force areas have been trialling a new funding system for speed cameras.
Some supermarkets are already voluntarily trialling plastic bags made from biodegradable material.
