Overall, the argument $x$ of $\ln(x)$ must be unitless, and a log transformed quantity must be unitless. If $x = 0.5$ is measured in some units, say, seconds, then taking the log actually means $\ln(0.5s/1s) = \ln(0.5)$.
Definition of CHRISTOLOGY. : theological interpretation of the person and work of Christ. â ChrisÂ·toÂ·logÂ·iÂ·cal \Ëkris-tÉ-Ëlae-ËlÃ¤-ji, kÉl-\ ËkrÄ«s. ADJECTIVE. advertisement
Definition of DEONTOLOGY. : the theory or study of moral obligation. â deÂ·onÂ·toÂ·logÂ·iÂ·cal \ËdÄ-Ëaen-ËÃ¤n-tÉ-Ëlae-ËlÃ¤\ ji. â kÉlÂ·adjectiveÂ·deÂ·onÂ·tol \o-gist-ËdÄ-Ëaen-ËÃ¤n\ Ëtae. ËtÃ¤ lÉ jist noun