An abbreviation for 'chemical' or sometimes 'chairman' depending on context, commonly used in written communication.
A simple contraction of 'chemical' or 'chairman' that became standardized in business and scientific writing as a shorthand notation.
Abbreviations like CHM show how context completely changes meaning—in a chemistry lab it means 'chemical,' but in a boardroom it means 'chairman,' which is why experienced writers always worry about ambiguous abbreviations causing confusion!
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