hyperboloid hyperboloid /haɪˈpɜːrbəˌlɔɪd/

noun

1. A quadric surface generated by rotating a hyperbola around its main axis  ( hyperboloid )
   a quadric surface generated by rotating a hyperbola around its main axis
    The hyperboloid shape was created by rotating the hyperbola around its main axis.
   The hyperboloid shape was created by rotating the hyperbola around its main axis.
   
   

 energy energy /ˈɛnɝdʒi/

noun

1. () (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs  ( free energy , energy )
   (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
    Energy can take a wide variety of forms
   energy can take a wide variety of forms
   
   
2. () Forceful exertion  ( vigour [Canadian, British] , zip [Informal] , vigor [American] , energy )
   forceful exertion
    He plays tennis with great energy
   he plays tennis with great energy
    He's full of zip
   he's full of zip
   
3. () Enterprising or ambitious drive  ( get-up-and-go , push , energy )
   enterprising or ambitious drive
    Europeans often laugh at American energy
   Europeans often laugh at American energy
   
4. () An imaginative lively style (especially style of writing)  ( muscularity , vigor [American] , vigour [Canadian, British] , energy , vim )
   an imaginative lively style (especially style of writing)
    His writing conveys great energy
   his writing conveys great energy
    A remarkable muscularity of style
   a remarkable muscularity of style
   
5. Any source of usable power  ( energy )
   any source of usable power
    The DOE is responsible for maintaining the energy policy
   the DOE is responsible for maintaining the energy policy
   
6. A healthy capacity for vigorous activity  ( energy , vim , vitality )
   a healthy capacity for vigorous activity
    Jogging works off my excess energy
   jogging works off my excess energy
    He seemed full of vim and vigor
   he seemed full of vim and vigor
   

 Energy

1. The federal department responsible for maintaining a national energy policy of the United States; created in 1977  ( Department of Energy , DOE , Energy , Energy Department )
   the federal department responsible for maintaining a national energy policy of the United States; created in 1977
   
   

 override override /ˈoʊvɝˌraɪd/

noun

1. The act of nullifying; making null and void; counteracting or overriding the effect or force of something  ( nullification , override )
   the act of nullifying; making null and void; counteracting or overriding the effect or force of something
   
2. A manually operated device to correct the operation of an automatic device  ( override )
   a manually operated device to correct the operation of an automatic device
    When the automatic system failed, the engineer had to use the override to regain control.
   When the automatic system failed, the engineer had to use the override to regain control.
   
   

verb

1. () Rule against  ( overrule , overthrow , overturn , override , reverse )
   rule against
    The Republicans were overruled when the House voted on the bill
   The Republicans were overruled when the House voted on the bill
   
2. (riding) ride (a horse) too hard  ( override )
   (riding) ride (a horse) too hard
   
3. Counteract the normal operation of (an automatic gear shift in a vehicle)  ( override )
   counteract the normal operation of (an automatic gear shift in a vehicle)
   
4. Prevail over  ( override )
   prevail over
    Health considerations override financial concerns
   health considerations override financial concerns
   

 Isthmus of Darien Isthmus of Darien /ˈɪsməs ɒv ˈdɑːriːən/

noun

1. The isthmus that connects Central America and South America; was formerly called the Isthmus of Darien  ( Isthmus of Darien , Isthmus of Panama )
   the isthmus that connects Central America and South America; was formerly called the Isthmus of Darien
    Balboa crossed the Isthmus of Darien
   Balboa crossed the Isthmus of Darien