Nut (fruit) usage of the term is less restrictive, and many nuts (in the culinary sense), such as almonds, pecans, pistachios, walnuts, and Brazil nuts, are not nuts in a botanical sense. Common usage of the term often refers to any hard-walled, edible kernel as a nut. A nut in botany is a simple dry fruit in which the ovary wall becomes increasingly hard as it matures, and where the seed remains unattached or free within the ovary wall. Most nuts come from the pistils with "inferior" ovaries (see flower) and all are "indehiscent" (not opening at maturity). True nuts are produced,
Book of Nut best manuscripts are the demotic Carlsberg papyri 1, and 1a; they were written by the same scribe. Other manuscripts are mostly fragmentary. There are substantial differences between all these copies, indicating that the textual tradition of the Book of Nut was still very much alive even in the 2nd century AD. The early Egyptologists gave a lot of attention to the astronomical parts of the Book of Nut. First available for modern research was the material from the tomb of Ramses IV, which included the astronomical painting of Nut and the list of the decans. The text was first used