Smart Definition
Etymology
Pronunciation
elucubración
speculation
elucidate
to explain or clarify
+
-ción
noun suffix
Elucubración means speculation and can be related to the English word elucidate0 (to explain or clarify0) with the -ción1 noun suffix1, suggesting a process of trying to explain or clarify something.
noun
  1. speculation
    A complex or elaborate theory or explanation, often speculative or without foundation
    Su teoría es una mera elucubración sin evidencia. // His theory is mere speculation without evidence.