[ C or U ] a dark grey rock that can be easily divided into thin pieces, or a small, thin piece of this used to cover a roof板岩，石板；（盖屋顶的）石板瓦

[ C ] in the past, a small, thin, rectangular piece of slate (= rock), usually in a wooden frame, used for writing on, especially by children（尤指旧时儿童写字用的）石板

[ C ] also slate PC a small computer with a screen that you can write on using a special pen笔记本电脑

[ C ] US a list of people who are being considered for a particular job or position, especially in politics（尤指在政治活动中的）候选人名单

UK informal to attack by criticizing; to write or say that something is very bad抨击，批评

to cover a roof with slates用石板瓦盖顶

of a colour similar to slate石板色的，深蓝灰色的