Last updated on August 1, 2021 by

Rarefy GRE Vocabulary Flashcard

Rarefy GRE Vocabulary Flashcard

/ˈreərɪfaɪ/ (verb)


to make something sparser or thinner, thin, attenuate, dilute, lighten, water down, make or become less dense, weaken – make something more refined


Generally, prolonged stay at high altitudes as a part of adventure sport or country’s defense means living in stressful environment leading to a need to study the effects of such an alien locale. The most significant and connatural factor of high altitudes is hypoxia. Hypoxia or rarefied atmosphere with low oxygen availability affects both physical and mental performances of people because oxygen is even more essential to life than food and water.



thicken, intensify, condense

Parts of speech

Adjective: rarefiable

Adjective: rarefied

About Dr. Mohammad Hossein Hariri Asl

Dr. Mohammad Hossein Hariri Asl is an English and Persian instructor, researcher, inventor, author, blogger, SEO expert, website developer, and the creator of LELB Society. He's got a PhD in TEFL (Teaching English as a Foreign Language). Study our guest posting guidelines for authors.

Leave a Comment

Glad to see you're commenting. We'll answer your comments or questions immediately. Please note that all comments are reviewed. So, do NOT share links or use unreal names. We won't publish your Email address.

five × 2 =