drip culture vs hydroponics

drip culture and hydroponics both are nouns.

Word	Noun	Adjective	Verb	Adverb
drip culture	Yes	No	No	No
hydroponics	Yes	No	No	No

As nouns, hydroponics is a hypernym of drip culture; that is, hydroponics is a word with a broader meaning than drip culture:

drip culture: a hydroponic method of growing plants by allowing nutrient solutions to drip slowly onto an inert medium in which the plants are growing
hydroponics: a technique of growing plants (without soil) in water containing dissolved nutrients

Other hypernyms of drip culture include aquiculture, tank farming.

drip culture (noun)	hydroponics (noun)
a hydroponic method of growing plants by allowing nutrient solutions to drip slowly onto an inert medium in which the plants are growing	a technique of growing plants (without soil) in water containing dissolved nutrients