The formal scientific definition of theory is quite different from the everyday meaning of the word. It refers to a comprehensive explanation of some aspect of nature that is supported by a vast body of evidence.
Je ne pense donc pas qu’il soit possible de trouver une définition simple de ce qu’est la science. Et je ne suis pas persuadé que ce soit même souhaitable. Il faut laisser un peu de souplesse et ne surtout pas trop figer les possibles. Définir, bien que cela puisse être nécessaire, est toujours un acte dangereux et parfois même violent. Les dictionnaires sont des cimetières ou des prisons. Rien ne serait pire que de « pétrifier » une démarche en l’enfermant dans une définition qui, aussi précise soit-elle pour décrire un état de fait à un instant donné, interdirait la dynamique évolutive.
A photon is defined as a package of light-what are you defined as?
No citizen is apolitical; as a citizen, by definition, has to take interest in public affairs.
A creationist can embarrass an evolutionist by asking for a definition of species.
My definition of cursing is probably different from what other people's definitions are.
To defer to someone else's definition of a life well-lived is a Faustian bargain.
A perpetual holiday is a good working definition of hell.
I have a weird definition of family; it's not the same as everyone else's.
'Dystopian,' by definition, promises a darker story.
To be counter to the culture, you are by definition willfully and actively ignoring the culture, i.e., reality.
My definition is that geo-enlightenment is understanding the interconnectedness of things.
I don't think Stoppardian has a precise definition.
A prayer in its simplest definition is merely a wish turned Godward.
By definition, transnational crime crosses borders, but efforts to combat it mostly do not.
The U.K.'s debt belongs legally to Westminster, so Scotland, by definition, can't default on it.
I'm the true definition of a workaholic.