| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a scrap or morsel of food left at a meal. |
monoxide mon·ox·ide (mə-nŏk'sīd')
n.
An oxide with each molecule containing one oxygen atom.
| monoxide (mə-nŏk'sīd') Pronunciation Key
A compound consisting of two elements, one of which is a single oxygen atom. Carbon monoxide, for example, contains a carbon atom bound to a single oxygen atom. |