A fact, occurrence, or circumstance observed or observable. Definition of phenomenon noun in oxford advanced learner's dictionary. Usage although phenomena is often treated as if it were singular, correct usage is to employ phenomenon with a singular construction and phenomena with a plural:
A phenomenon is an extraordinary occurrence or circumstance. How to use phenomenon in a sentence. We are witnessing a very significant phenomenon.
Can phenomena be used as a singular?: Something that exists and can be seen, felt, tasted, etc., especially something unusual or…. Many theories have been put. Phenomenon a phenomenon is something that happens or exists and that can be seen or experienced.
See examples of phenomenon used in a sentence. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.