Converse of object

• prove: Contact has proved the catalyst for me to question all my beliefs to ask what is the nature of personal reality?

Preposition: for

• regeneration: Acting as a catalyst for wider regeneration by building property market confidence.

• renaissance: The overall message is that urban waterfronts can provide the catalyst for urban renaissance and that the tide is turning.

• redevelopment: The catalyst for the redevelopment is the new opera house.

• transformation: Those words, uttered in 1997 by Minister Liz Henderson, have been the catalyst for a remarkable transformation at Richmond Craigmillar Church.

• change: The second key catalyst for change has been the steady fall in the actual level of funding.

• innovation: They will bring in private funds and act as catalysts for innovation.

Adjective modifier

• heterogeneous: A supported heterogeneous catalyst prepared by traditional methods will not normally have this tightly-controlled a particle size distribution.

• chiral: This approach is becoming increasingly popular in Organic Chemistry as an alternative to the used of expensive chiral catalysts and auxiliaries.

• homogeneous: This compound is an active homogeneous epoxidation catalyst in its own right.

• three-way: The introduction of three-way catalysts to new vehicles will reduce future emissions from this major source.

• biological: Biological catalysts called enzymes bring about chemical reactions in cells.

• powerful: War is the most powerful catalyst in technical developments.

Modifies a noun

• 4g: Catalyst 4g takes the issue of safeguarding your privacy on-line very seriously.

Noun used with modifier

• metallocene: The two companies will also further develop metallocene single-site polymerisation catalysts for use in bulk PP polymerisation processes.

• polymerisation: The two companies will also further develop metallocene single-site polymerisation catalysts for use in bulk PP polymerisation processes.

• palladium: For example, ethanenitrile can be reduced to ethylamine by reaction with hydrogen in the presence of a palladium catalyst.

• zeolite: The cracking reaction can be induced using high temperatures ( about 500 C ) in the presence of steam or a zeolite catalyst.

• oxidation: Advanced kinetics models for three-way catalysts, diesel oxidation catalysts, and diesel particulate filters.

• nickel: The vegetable oils are reacted with hydrogen gas using a nickel catalyst.