The phrase "altering the definition" is correct and usable in written English.
You can use it when discussing changes or modifications to the meaning of a word or concept.
Example: "The ongoing debate is centered around altering the definition of what constitutes a 'sustainable' practice."
Alternatives: "modifying the definition" or "changing the definition".
The E.P.A. argues that by altering the definition of "fill" to include waste it is merely legalizing current practice in the coal mining industry.
DISCUSSION: The implications of the results include that disability measurement, including altering the definition of being disabled and possibly expanding the state space of a model, may not affect population-based estimates of ALE.
The measure prohibits the Army Corps of Engineers from altering the definition of "fill material".
Verrilli also argues that the proponents are incorrect in saying that Prop 8 was an attempt to proceed with caution on matters of social policy, noting that the law "amends the California Constitution and permanently bars the legislature from altering the definition of marriage".
Altering the definition of AD may not be necessary for the development of early interventions.
Altering the definition of consensus, for example by calculating mean scores across attributes for each indicator, did not result in significant change in those accepted by the predefined criteria (data not shown).
Accepting Turkey as a European Union member would quicken that trend and irrevocably alter the definition of Europe.
In the UK there are about 6m households in fuel poverty, which is set to rise to 9m by 2016, though the government is likely to alter the definition to reduce the headline numbers.
At the heart of the conference was the assumption that a group of advocates could alter the definition of dyslexia and what it means to be dyslexic.
"Orange" continues the company's push to compete with traditional sources of entertainment and, along the way, alter the definition of television.
