Haecceity

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Haecceity \H[ae]c*ce"i*ty\ (h[e^]k*s[=e]"[i^]*t[y^]), [L.
     h[ae]cce this.] (Logic)
     Literally, this-ness. A scholastic term to express
     individuality or singleness; as, this book.
     [1913 Webster] Haemato
     Haema



From WordNet (r) 2.0 [wn]:

  haecceity
       n : the essence that makes something the kind of thing it is and
           makes it different from any other [syn: {quiddity}]