Merriam-Webster lists transition as both noun and verb from at east 1946. The verbs transit and transition mean different things. The former is the physical mo

Merriam-Webster lists transition as both noun and verb from at east 1946. The verbs transit and transition mean different things. The former is the physical movement, the latter is a change of state. In the process of evaporation, water transitions from liquid to gaseous state. It doesn't *transit from liquid to gas.