This book is about language in STEM research and about how it is thought about:as something that somehow refers to something else not directly accessible, oftenmeaning, mental representation, or conception. Using the analyses of realdata and analyses of the way certain concepts are used in the scientifi c literature, such as "meaning, " this book reframes the discussion about meaning, mentalrepresentation, and conceptions consistent with the pragmatic approachesthat we have become familiar with through the works of K. Marx, L. S. Vygotsky, M.M. Bakhtin, V. N. VoloSinov, L. Wittgenstein, F. Mikhailov, R. Rorty, and J. Derrida, to name but a few. All of these scholars, in one or another way, articulate acritique of a view of language that has been developed in a metaphysical approachfrom Plato through Kant and modern constructivism, this view of language, whichalready for Wittgenstein was an outmoded view in the middle of the last century, continuous to be alive today and dominating the way language is thought aboutand theorized