National Advisory Committee for Aeronautics

national Adjective

— If something is national it affects a whole nation or country. — If something is national it has to do with a certain nation or country, or with people from that country. — If a business is national it is found in all or most parts of a nation or country.

national Noun

— A national is someone who is a citizen of their nation. — The nationals is a tournament where people from all over the country come to compete in.

advisory Noun

— An advisory is a warning. Usually this is used for weather reports. The Weather Department issued a tornado advisory.

committee Noun

— A group of people that come together to do something or decide something. He is on the administrative committee. They decide how to administer the school.

for Preposition

— shows that something belongs to something else, or has a specific function This cake is for you. This is a net for catching fish. — For is used to show the reason for something He was angry, for he had never been called such terrible names before.

for Subordinator

— For introduces a clause with a subject and a to-infinitive It's not good for you to be too relaxed.

aeronautics

— noun the theory and practice of navigation through air or space