calorimeter calorimeter /ˌkæləˈrɪmɪtər/

noun

1. () A measuring instrument that determines quantities of heat  ( calorimeter )
   a measuring instrument that determines quantities of heat
    We used a calorimeter in our experiment to measure the amount of heat released.
   We used a calorimeter in our experiment to measure the amount of heat released.
   
   

 eta eta /ˈiːtiːˈeɪ/

noun

1. The 7th letter of the Greek alphabet  ( eta )
   the 7th letter of the Greek alphabet
   

 ETA

abbreviation

1. Estimated time of arrival (ETA) - The time when someone or something is expected to arrive.  ( ETA )
   estimated time of arrival (ETA) - The time when someone or something is expected to arrive.
   

noun

1. A terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees  ( Basque Fatherland and Liberty , Basque Homeland and Freedom , ETA , Euskadi ta Askatasuna )
   a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
    In 1968 ETA launched a campaign of political assassinations of government officials
   in 1968 ETA launched a campaign of political assassinations of government officials
   
   

 unicorn unicorn /ˈjuːnɪˌkɔrn/

noun

1. An imaginary creature represented as a white horse with a long horn growing from its forehead  ( unicorn )
   an imaginary creature represented as a white horse with a long horn growing from its forehead
    Children often dream of a magical land where the unicorn roams freely.
   Children often dream of a magical land where the unicorn roams freely.
   
   

 blind snake blind snake /blaɪnd sneɪk/

noun

1. Wormlike burrowing snake of warm regions having vestigial eyes  ( blind snake , worm snake )
   wormlike burrowing snake of warm regions having vestigial eyes