[ 'nɪk(ə)l ]
■ noun a prism for producing plane-polarized light, consisting of two pieces of optically clear calcite cemented together with Canada balsam.
Origin
C19: named after the Scottish physicist William Nicol .
[ 'nɪk(ə)l ]
■ noun a prism for producing plane-polarized light, consisting of two pieces of optically clear calcite cemented together with Canada balsam.
Origin
C19: named after the Scottish physicist William Nicol .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004