Breadcrumb Home > Thesaurus > B Synonyms of biosphere Find synonyms for: Noun 1. biosphere, region, part usage: the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of biosphere (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: shibboleth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language