Other Definitions
cl (enc)
cl (enc)
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Cl| Noun | 1. | Cl - a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely halogen - any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | | | 2. | cl - a metric unit of volume equal to one hundredth of a liter | | | Adj. | 1. | cl - being ten more than one hundred fortycardinal - being or denoting a numerical quantity but not order; "cardinal numbers" | |
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