Breadcrumb Home > Thesaurus > S Synonyms of sr Find synonyms for: Noun 1. strontium, Sr, atomic number 38, metallic element, metal usage: a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite 2. steradian, sr, angular unit usage: the unit of solid angle adopted under the Systeme International d'Unites WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sr (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: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language