sulphur trioxide

sul·phur tri·ox·ide

S s

Definition of sulphur trioxide words

noun sulphur trioxide a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3 0

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 93% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

Was this page helpful?

Yes No

Thank you for your feedback! Tell your friends about this page

Tell us why?