Hypernyms (medication is a kind of...): drug (a substance that is used as a medicine or narcotic). Meronyms (substance of medication): physostigmine (used in treatment of Alzheimer's disease and glaucoma).
Definition of weather for English Language Learners. : the state of the air and atmosphere at a particular time and place : the temperature and other outside conditions (such as rain, cloudiness, etc.) at a particular time and place.
Key Difference: Weather is the state or conditions of the atmosphere over a short period of time, usually a day or so. Weather and climate are words that are often heard in meteorology, while weather is also used in day to day in order to refer to the conditions outside. Weather and climate are similar, but different. The main difference between the two is weather changes day to day, while climate does not change for longer periods of day. Weather is the state or conditions of the atmosphere over a short period of time, usually a day or so. The weather changes day to day and forecasting must be done continuously in order to determine the sudden changes in the weather.