quicklime quicklime /ˈkwɪklaɪm/

noun

1. A white crystalline oxide used in the production of calcium hydroxide  ( burnt lime , calcined lime , calcium oxide , calx , fluxing lime , lime , quicklime , unslaked lime )
   a white crystalline oxide used in the production of calcium hydroxide
   
   

 lock lock /ˈlɑːk/

noun

1. () A fastener fitted to a door or drawer to keep it firmly closed  ( lock )
   a fastener fitted to a door or drawer to keep it firmly closed
    Make sure to turn the key and lock the door before you leave
   Make sure to turn the key and lock the door before you leave
   
   
2. () A strand or cluster of hair  ( curl , ringlet , whorl , lock )
   a strand or cluster of hair
   
3. () A mechanism that detonates the charge of a gun  ( lock )
   a mechanism that detonates the charge of a gun
   
4. Any wrestling hold in which some part of the opponent's body is twisted or pressured  ( lock )
   any wrestling hold in which some part of the opponent's body is twisted or pressured
   
5. A restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key  ( ignition lock , lock )
   a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
   
   
6. Enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it  ( lock , lock chamber )
   enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it
   
   

verb

1. () Fasten with a lock  ( lock )
   fasten with a lock
    Lock the bike to the fence
   lock the bike to the fence
   
2. () Keep engaged  ( engage , operate , mesh , lock )
   keep engaged
    Engaged the gears
   engaged the gears
   
3. () Become rigid or immoveable  ( lock )
   become rigid or immoveable
    The therapist noticed that the patient's knees tended to lock in this exercise
   The therapist noticed that the patient's knees tended to lock in this exercise
   
4. () Become engaged or intermeshed with one another  ( interlock , lock )
   become engaged or intermeshed with one another
    They were locked in embrace
   They were locked in embrace
   
5. () Hold in a locking position  ( interlace , interlock , lock )
   hold in a locking position
    He locked his hands around her neck
   He locked his hands around her neck
   
6. () Place in a place where something cannot be removed or someone cannot escape  ( lock away , shut away , lock , lock in , lock up , put away , shut up )
   place in a place where something cannot be removed or someone cannot escape
    The parents locked her daughter up for the weekend
   The parents locked her daughter up for the weekend
    She locked her jewels in the safe
   She locked her jewels in the safe
   
7. () Hold fast (in a certain state)  ( lock )
   hold fast (in a certain state)
    He was locked in a laughing fit
   He was locked in a laughing fit
   
8. Build locks in order to facilitate the navigation of vessels  ( lock )
   build locks in order to facilitate the navigation of vessels
   
9. Pass by means through a lock in a waterway  ( lock )
   pass by means through a lock in a waterway
   

 clearing clearing /ˈklɪrɪŋ/

noun

1. () A tract of land with few or no trees in the middle of a wooded area  ( glade , clearing )
   a tract of land with few or no trees in the middle of a wooded area
    They set up their campsite in a clearing surrounded by tall pine trees.
   They set up their campsite in a clearing surrounded by tall pine trees.
   
   
2. The act of removing solid particles from a liquid  ( clarification , clearing )
   the act of removing solid particles from a liquid
   
3. The act of freeing from suspicion  ( clearing )
   the act of freeing from suspicion
   

 single-valued function single-valued function /ˈsɪŋɡəlˈvæljud ˈfʌŋkʃən/

noun

1. (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)  ( map , mapping , mathematical function , function , single-valued function )
   (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
    In mathematics, the sine function associates every point of a circle's circumference with a height.
   In mathematics, the sine function associates every point of a circle's circumference with a height.