What are we referring to when we use the term "grain"?
                                
                                
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                                    4 min read                                
                            
                                The word "grain" can evoke a multitude of images, from a golden wheat field to the intricate texture of wood, indicating its surprisingly varied meanings. Understanding what we are referring to when we use the term "grain" requires context, as its definition shifts dramatically depending on the field of study, from botany and culinary arts to material science and photography.