A book, film, etc. intended to instruct.

present participle of instruct

plural of instruction set

(computing) Any of a set of discrete instructions, each with its own binary representation and associated assembly language mnemonic, that a CPU can execute; typically they involve the movement, comparison or manipulation of data.

plural of machine instruction

(computing) The set of machine instructions that a particular CPU can execute; the corresponding set of assembly language mnemonics.

plural of medium of instruction

(education, sociolinguistics) A language used in teaching.

plural of instructive case

(law) An instruction to jurors telling them they may equate willful ignorance with actual knowledge.