noun
machine language; machine code
Technical computing term for the low-level instructions directly executed by a CPU.
アセンブリ言語は機械語に変換される。
Assembly language is translated into machine language.
機械語でプログラムを書くのは難しい。
Writing programs in machine code is difficult.
低水準言語 (low-level language) is a broader category that includes both machine language and assembly language.
Compound of 機械 (machine) and 語 (language), a straightforward calque of English 'machine language'.