di- — two, double (affix)
di-
two, double
Used in (3)
dilemma
B2
/dɑeˈlemə/
A difficult situation in which you must choose between two options that both seem bad.
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dioxide
B1
/daɪˈɑksaɪd/
A chemical compound that has two oxygen atoms in each molecule.
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dichotomy
C2
/daɪˈkɑtəmi/
The division of a class into two disjoint subclasses that are together comprehensive, as the division of human into female and male.
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