1Able to be numbered; enumerable, countable.
2Originally Scottish. Numerous. Now rare.
Late 15th century; earliest use found in Richard Rolle (a1310–1349), hermit and religious author. From number + -able.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。