con-formal-invariant field theory

con

— noun an argument opposed to a proposal — verb (= swindle, defraud, gyp) deprive of by deceit He swindled me out of my inheritance She defrauded the customers who trusted her the cashier gypped me when he gave me too little change — adverb in opposition to a proposition, opinion, etc much was written pro and con — noun (= convict) a person serving a sentence in a jail or prison — verb (= memorize, memorise, learn) commit to memory; learn by heart Have you memorized your lines for the play yet? — noun (= bunco) a swindle in which you cheat at gambling or persuade a person to buy worthless property

formal Adjective

— If something is formal, it is official and/or public. He studied German on his own, but he has no formal language education. — Formal behaviour or dress is used in polite situations. Please wear suit and tie because the restaurant is quite formal.

invariant

— adjective unaffected by a designated operation or transformation — noun a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it — adjective (= constant, unvarying) unvarying in nature maintained a constant temperature principles of unvarying validity

field Noun

— A field is an open area of land that can be used for many different things, from sports to crop-growing. — A field is an area of study or work. He was an expert in the field of American history.

field Verb

— If you field something, you answer it; you address it. — If you field the team, you place them in the game.

theory Noun

— A theory is an idea that tries to explain an observation. The new information showed that his theory about growth was incorrect. Nobody has disproved Einstein's theory of general relativity.