Sentence:  This does not mean that the French, works, composed by rational minds ("de l'esprit") are totally devoid of any value or cultural significance. But Madame de Staël obviously prefers what she considers to be the imaginative workings of the German mind to the <WSD>geometric</WSD> and analytical penchants of the French mind. 
Meaning of the word marked with <WSD> tags:  Of or relating to geometry.