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.
1. weather condition-the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation; they were hoping for good weather; every day we have weather conditions and yesterday was no exception; the conditions were too rainy for playing in the snow.