Hmmm.... informatics is the study of how information goes together and forms new knowledge, usually in some kind of statistical/mathematical way. Like through citation analysis and so forth.
So.... I'm guessing bioinformatics is the same sort of thing pertaining to biology? I can envision that high-level modeling might be involved, which is the place where I lose track of the thread of thought because I don't get the math and the statistics you need to follow it.
Edit:
Ask a librarian. We don't have to *know* anything but we do need to know enough about it to know where to look it up.
From the Oxford English Dictionary:
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bioinformatics, n.
The science of information and information flow in biological systems, esp. of the use of computational methods in genetics and genomics.
(examples of use)
The area of modelling mutants from a known structure has been revolutionized by the latest tools of molecular graphics... This is a key element in the whole technology and has attracted much interest (for example, the recent E.E.C. ‘Bioinformatics’ programme). 1987 Science 4 Sept. 1108/3 One of the latest developments [at the European Molecular Biology Laboratory] has been the creation of a new research program in bioinformatics. This is intended to bring together research in computing science, structural biology, and molecular genetics.
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Hey I was pretty close! This is what I get for having read so many dissertations over the past 12 years. (I catalog them here.)
What a NEAT field to get into, Kittens!! Talk about a growth area for research. ("Publish or perish" becomes much easier to deal with in a growth area, for those of you not subjected to this rite of academic foolishness

)