The phrase "avoid ambiguities" is a correct and usable expression in written English.
You could use it to alert someone to be precise and clear when writing or speaking. For example, "To ensure your message is communicated effectively, it is important to avoid ambiguities."
Critical text passages were reformulated to avoid ambiguities.
What is more, using a common language will help both researchers and practitioners to avoid ambiguities and misunderstanding.
Therefore, we applied the global fitting analysis with linked decay times in order to avoid ambiguities of the fitting parameters.
A given word could be used differently, or according to different suppositions, and the rules for these different uses helped to avoid ambiguities.
In order to avoid ambiguities, in this survey the words photo and photography are strictly related to consumer and professional photography.
In order to remain in the linear regime, and thus avoid ambiguities in the characterization of the material, we employ lightweight piezoelectric transducers and sensors and a low-noise amplifier for the acquisition of dynamic response data.
To avoid ambiguity, say soon when you mean soon, and don't say anything when you mean now.
In contemporary usage, "coelenterate" generally refers only to cnidarians, but the latter term is used in order to avoid ambiguity.
This does not mean you need to avoid ambiguity completely – sometimes there's a good pedagogical reason to be vague – but avoid accidental ambiguities, and all students will thank you.
This article was amended on 4 April to avoid ambiguity about the political orientation of the indebted anti-Proposition 8 campaigners.
"Classicism" is lowercased, but "romanticism" is "sometimes capitalized to avoid ambiguity" — though if you were capitalizing "Romanticism" it would look silly to lowercase "classicism" in the same paragraph.
