Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “rocket science”

See all translations

rocket science

noun [U]
 
 
TRANSPORT the scientific study of rockets: The technology encompasses rocket science and jet engines.
(it's) not rocket science informal used to say that you do not think that something is very difficult to do or to understand: Choosing the best pension provider is not rocket science.
Translations of “rocket science”
in Chinese (Traditional) 火箭科學,火箭學…
in Chinese (Simplified) 火箭科学,火箭学…
(Definition of rocket science from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of rocket science?
Add Cambridge dictionaries to your browser to your website

Definitions of “rocket science” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More