Carbon Monoxide

gas containing one oxygen atom and one hydrogen atom

Carbon monoxide, with the chemical formula CO, is a colorless, odorless, and tasteless gas. It is the product of the incomplete combustion of carbon-containing compounds, notably in internal-combustion engines. It has significant fuel value, burning in air with a characteristic blue flame, producing carbon dioxide. Despite its serious toxicity, CO plays a highly useful role in modern technology, being a precursor to a myriad of products. It consists of one carbon atom covalently bonded to one oxygen atom. It is a gas at room temperature.
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Noun
1. an odorless very poisonous gas that is a product of incomplete combustion of carbon
(synonym) carbon monoxide gas, CO
(hypernym) monoxide

chemical formula CO, carbon monoxide is poisonous - odorless gas with a TLV of 35ppm. Carbon monoxide is a by product of photoresist stripping operations.

A colorless, odorless, highly toxic gas that is a normal by-product of incomplete fossil fuel combustion. Carbon monoxide, one of the major air pollutants, can be harmful in small amounts if breathed over a certain period of time. (DOE6)