noun
doubleword
Computing term for a unit of data twice the length of a word, typically 32 or 64 bits depending on architecture.
このプロセッサは倍長語を一度に処理できる。
This processor can handle a doubleword at once.
A quadword is four times the size of a word, while 倍長語 is only double.
Compound of 倍 (double) + 長 (length) + 語 (word), a calque of English 'doubleword'.