Word Study
    
                                	cool jazz |
                                	cool off |
                                	cool one's heels |
                                	cool-headed |
                                	cool-white |
                                coolant
                                	| coolant system 
                                	| cooled 
                                	| cooler 
                                	| cooley's anaemia 
                                	| cooley's anemia 
                            
        coolant
WORDNET DICTIONARY
Noun coolant has 1 sense
- coolant(n = noun.substance) Array - a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another; "he added more coolant to the car's radiator"; "the atomic reactor used a gas coolant"; "lathe operators use an emulsion of oil and water as a coolant for the cutting tool" is a kind of agent, fluid
Derived forms verb cool2, verb cool1
CIDE DICTIONARY
coolant, n. 
                                            
                                         a fluid (gas or liquid) used to cool a device by transferring heat away from one part to another.                                                                                 [WordNet 1.5]                                                                                                                    
                                                                                    OXFORD DICTIONARY
coolant, n.
1 a cooling agent, esp. fluid, to remove heat from an engine, nuclear reactor, etc.
2 a fluid used to lessen the friction of a cutting tool.
                    1 a cooling agent, esp. fluid, to remove heat from an engine, nuclear reactor, etc.
2 a fluid used to lessen the friction of a cutting tool.
Etymology
                        COOL + -ANT after lubricant
                                    
            For further exploring for "coolant" in Webster Dictionary Online
        


 
    
 
