pirate-ninjaとは 意味・読み方・使い方

語源

Coined by Andy Weir, when writing his novel The Martian. In the fictional work, the term's creation is attributed to astronaut Mark Watney, who was frustrated with the unwieldy units of real life.

別の表記

• pirateninja
• pirate ninja

名詞

pirate-ninja (複数形 pirate-ninjas)

1. (humorous, physics, energy) A unit of measure equal to 1 kilowatt-hour per Martian solar day (sol), or 3.6 megajoules of energy
   • 2016, Andy Weir, The Martian, →ISBN, page 230:

     All told, the Big Three need 69.2 pirate-ninjas, most of that going to the oxygenator and the atmospheric regulator.

使用する際の注意点

Though coined by Andy Weir for his novel "The Martian", the unit has established itself in actual NASA communiques, and picked up by others for humorous applications.

参考

• List of humorous units of measurement on Wikipedia.
• nibble / nybble (4 bits; 1/2 byte; 0.5 octets; 1 quartet;)
• barn / b (100 femtometres^2)
• banana equivalent dose / BED
• Roentgen equivalent man / rem (0.01 Sieverts)