The phrase "and even define" is correct and usable in written English.
It can be used when you want to emphasize the ability to provide a definition or explanation of a concept or term.
Example: "In this discussion, we will explore various theories and even define the key terms involved."
Alternatives: "and even explain" or "and even clarify".
AMONG the many small changes Facebook has wrought on American society is how some of us view, assess and even define what a relationship is.
Happiness quantification sounds a bit wishy-washy, sure, and through a series of carefully administered surveys across the globe, economists and psychologists have certainly confronted a fair number of sticky issues around how to measure, and even define, happiness.
But it will be read by an audience who doesn't, say, read the Guardian, and may encourage them to think about issues such as grotesque inequality, the concentration of wealth and power, and the many injustices that afflict and even define our society.
Like Sydney Harbour Bridge, the Golden Gate Bridge has long helped to shape and even define its host city over several generations.
The person in charge for the preparation of the scene may assign different materials anytime and even define new ones during the process.
High-profile institutions have begun to adopt and launch open courseware initiatives (like EdX and Coursera) and, in so doing, are changing the ways we think about — and even define — the learning process.
The two-week meeting it is about to host will be seen, and even defined, in terms of the failure at Copenhagen last December.
In the last two decades, concepts have appeared that have influenced and even defined entire science and technology policies in Western countries: high technology, national system of innovation, information economy, knowledge-based economy, and the new economy.
Tone clusters have generally been thought of as dissonant musical textures, and even defined as such.
Poets usually can't remember the way back from the daffodils, so the conundrum of "Visit to San Francisco" and other poems like it, is fresh and even defining.
While the classroom experience is necessary to any education, this event provided me with the opportunity to truly understand the technologies I am so often told are "defining the future" and even "defining our generation".
