heck meaning, definition, what is heck: used to show that you are annoyed or to ...: Learn more.
preliminary noun [C, usually plural]. âº an âevent or âaction that prepares for or âintroduces something: After the greetings and other preliminaries, the âmeeting got down to serious âbusiness. (Definition of preliminary from the Cambridge Business English Dictionary Â© Cambridge University Press).
Webster's: preliminary painting; especially: such painting done on a canvas or panel and covered completely or partially by the final layers of paint. In other words, the Underpainting is the first coating of oil on the canvas.