n. (mathematics) a quantity expressed as the root of another quantity
n. a character conveying the lexical meaning of a logogram
s. arising from or going to the root or source
词态变化
复数形式:radicals
常见例句
1
any group or radical of the form RCO- where R is an organic group
2
the univalent unsaturated organic radical C3H5
3
a of or pertaining to the allyl radical
4
radically distinctive and without equal
5
A compound radical, NH2, not yet obtained in a separate state, which may be regarded as ammonia from the molecule of which one of its hydrogen atoms has been removed
