What is another word for slate pencil?
Pronunciation: [slˈe͡ɪt pˈɛnsə͡l] (IPA) 
A slate pencil is a common writing tool used on slate surfaces. However, the world of language is vast, and there are many synonyms for this widely used writing instrument. Some of these synonyms include chalk sticks, limestone pencils, blackboard pencils, and even stone pencils. Different regions of the world may have varying names for slate pencils, such as "kurikuti" in India. Historically, slate pencils were also referred to as "clay pencils" or "lead pencils," even though they contained neither clay nor lead. Regardless of their name, these writing instruments share a common purpose in aiding students and educators in jotting down ideas and notes.
