sweat sweat /ˈswɛt/

noun

1. () Salty fluid secreted by sweat glands  ( sudor , perspiration , sweat )
   salty fluid secreted by sweat glands
    Sweat poured off his brow
   sweat poured off his brow
   
   
2. [Informal] Use of physical or mental energy; hard work  ( elbow grease , sweat [Informal] , travail , effort , exertion )
   use of physical or mental energy; hard work
    He got an A for effort
   he got an A for effort
    They managed only with great exertion
   they managed only with great exertion
   
   
3. Condensation of moisture on a cold surface  ( sweat )
   condensation of moisture on a cold surface
    The cold glasses were streaked with sweat
   the cold glasses were streaked with sweat
   
4. [Informal] Agitation resulting from active worry  ( fret , lather , stew [Informal] , sweat [Informal] , swither [Dialect, UK] )
   agitation resulting from active worry
    Don't get in a stew
   don't get in a stew
    He's in a sweat about exams
   he's in a sweat about exams
   

verb

1. () Excrete perspiration through the pores in the skin  ( perspire , sudate , sweat )
   excrete perspiration through the pores in the skin
    Exercise makes one sweat
   Exercise makes one sweat
   

 law of multiple proportions law of multiple proportions /lɔː ʌv ˈmʌltɪpəl prəˈpɔːrʃənz/

noun

1. (chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation  ( Dalton's law , law of multiple proportions )
   (chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation
   
   

 pickax pickax /ˈpɪkæks/

noun

1. [American] A heavy iron tool with a wooden handle and a curved head that is pointed on both ends  ( pick , pickax [American] , pickaxe )
   a heavy iron tool with a wooden handle and a curved head that is pointed on both ends
    They used picks and sledges to break the rocks
   they used picks and sledges to break the rocks
   
   

 fast one fast one /fæst wʌn/

noun

1. A cunning or deceitful action or device  ( fast one , trick )
   a cunning or deceitful action or device
    He played a trick on me
   he played a trick on me
    He pulled a fast one and got away with it
   he pulled a fast one and got away with it