calculus /'kælkjulәs/

释义

(n.) a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
(n.) the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

在词托邦里，「calculus」是一只名词属性像素生物（词源未明 · 元素型生物，超稀有卡）。字母决定它的长相，词源决定体型，词频决定稀有度；收集它、用它造句升级，并在单词对战中记住它的词性。