blackboard in American English (ˈblækˌbɔrd ) noun. a large, smooth, usually dark surface of slate or other material on which to write or draw with chalk; chalkboard.
countable noun. A chalkboard is a dark-colored board that you can write on with chalk.
In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for blackboard, like: wall-slate, slate, greenboard, board, chalkboard, Learnwise, webct, vle, TopClass, whiteboard and WebBoard.
I've always considered "chalkboard" to be American. I never heard it until long after I left school in 1961. They were always "blackboards". But when I returned to university in 2002, they were mostly white and called "whiteboards".Aug 21, 2013
A blackboard (also known as a chalkboard) is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
The different types of chalkboard signsTable Top Chalkboards. ... A-Board Signs. ... Chalkboard Panels. ... Chalk Insert Panels. ... Exterior Traditional Chalk A-Board Signs. ... Framed Chalkboards.Sep 3, 2019
As nouns the difference between chalkboard and blackboard is that chalkboard is a slate board for writing on with chalk; a predecessor to a whiteboard while blackboard is a large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
While black was long the traditional color for blackboards, a green porcelain surface, first used around 1930, cut down on glare, and as this green surface became more common, the word chalkboard came into use.Oct 15, 2014
These days, most chalkboards are sold to restaurants, not to schools. The link between whiteboards and digital culture helped many U.S. schools adopt smartboards. By 2014, 60 percent of K-12 classrooms had interactive whiteboards, a figure that's expected to increase to 73 percent by 2019.Oct 13, 2016