形容詞 numeric:

1. of or relating to or denoting numbers
   同義詞：numeral, numerical
2. measured or expressed in numbers
   同義詞：numerical
3. designated by or expressed in numbers
   同義詞：numerical

1. A low-speed input device that converts graphic and pictorial data into binary, numeric inputs for a digital computer.
   一種低速輸入設(shè)備，它將圖形和圖象數(shù)據(jù)轉(zhuǎn)換成用于數(shù)字計算機(jī)的二進(jìn)制數(shù)值輸入。
2. A terminal containing less than a full alphanumeric keyboard; for example, one containing ten numeric keys plus control keys.
   一種終端，它的鍵盤不包括全套的字母數(shù)字字符鍵; 例如，只包括十個數(shù)字鍵以及若干控制鍵。

nu.mer.ic

n.（名詞）
A number or numeral.
數(shù)，數(shù)字
adj.（形容詞）
Variant of numerical
numerical的變體

來源：
Probably back-formation from numerical
可能源自 numerical的逆成詞