[ 'kɔ:pʌs(ə)l ]
■ noun
1》 Biology a minute body or cell in an organism, especially a red or white blood cell.
2》 historical a minute particle regarded as the basic constituent of matter or light.
Derivatives
corpuscular kɔ:'pʌskjʊlə adjective
Origin
C17: from L. corpusculum 'small body', dimin. of corpus .