First recorded in 1960–65.
Comes from petro-, a combining form meaning \"rock,\" and ichor, which in classical mythology means “ethereal fluid flowing in the veins of the gods.”
Sign up for more Word of the Day!

\r\nEXAMPLES OF PETRICHOR\r\n

The desert landscape was quickly transformed as petrichor filled the air after a long-awaited rainstorm.
As the storm passed, leaving behind puddles and damp earth, the sweet petrichor lingered like a fond memory.

\r\nIt's National Poetry Month, and we’ve created a challenge that really is for everyone. Submit now!","audio":"https://static.sfdict.com/audio/NEW2016/petrichor_000.mp3","definitions":[{"partofspeech":"noun","data":"a distinctive scent, usually described as earthy, pleasant, or sweet, produced by rainfall on very dry ground."}],"examples":[],"imageUrl":"https://www.dictionary.com/e/wp-content/uploads/2024/03/petrichor_IG.png","accentColor":"#0063D7"}},"status":"succeeded"}},"meta":{"requestId":"Zg28hR3nZbnFq53GOYEou","requestStatus":"fulfilled"}},{"type":"fetchWordsNearby/fulfilled","payload":{"data":{"before":[{"slug":"calcitonin","entry":"calcitonin"},{"slug":"calcitriol","entry":"calcitriol"},{"slug":"calcium","entry":"calcium"},{"slug":"calcium-antagonist","entry":"calcium antagonist"},{"slug":"calcium-arsenate","entry":"calcium arsenate"}],"after":[{"slug":"calcium-carbide","entry":"calcium carbide"},{"slug":"calcium-carbonate","entry":"calcium carbonate"},{"slug":"calcium--channel--blocker","entry":"calcium channel blocker"},{"slug":"calcium-chloride","entry":"calcium chloride"},{"slug":"calcium-cyanamide","entry":"calcium cyanamide"}]}},"meta":{"arg":{"word":"calcium-blocker"},"requestId":"BZQGG1rAG-5fHQMfqDt-q","requestStatus":"fulfilled"}},{"type":"luna/fetchExampleSentences/fulfilled","payload":{"data":{"tdb":[],"gbg":[]}},"meta":{"arg":{"word":"calcium-blocker"},"requestId":"FkfJqT929OyxrY7qswQfz","requestStatus":"fulfilled"}},{"type":"fetchDictionaryResults/fulfilled","payload":{"slugs":[{"entries":[{"__typename":"Entry","audioPronunciations":[],"confusableNotes":[],"genderNotes":[],"grammarNotes":[],"headword":{"displayForm":"calcium blocker","slug":"calcium-blocker"},"idioms":[],"orderKey":99999010,"ordinal":10,"origin":null,"partOfSpeechBlock":[{"definitions":[{"antonymsConnection":{"edges":[]},"definitionSetChunks":"[{\"type\": \"def\", \"children\": [{\"text\": \"any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.\", \"type\": \"text\"}]}]","examples":[],"ordinal":1,"subdefinitions":[],"synonymsConnection":{"edges":[]}}],"inflectionSets":[],"labelSet":{"labelSetText":"Pharmacology."},"ordinal":1,"partOfSpeech":"noun"}],"pronunciationNotes":[],"pronunciationSet":null,"relatedFormSets":[],"sensitiveNotes":[],"spellingNotes":[],"synonymStudy":[],"usageAlerts":[],"usageNotes":[],"variants":[],"verbPhrases":[]}],"url":"calcium-blocker"}]},"meta":{"arg":{"slug":"calcium-blocker"},"requestId":"VeNk2B2-4Jbdj9Jfz_zzn","requestStatus":"fulfilled"}},{"type":"fetchResultsData/fulfilled","payload":{"data":{"url":"calcium-blocker","displayForm":"calcium blocker","canonicalSlug":"calcium-blocker","content":[{"source":"luna","entries":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e5f14f1.-1605","type":"normal","entry":"calcium blocker","entrySyllabified":"calcium blocker","entryVariants":[],"homograph":null,"pronunciation":null,"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":"Pharmacology."}],"origin":null,"originData":null,"supplementaryNotes":[],"variantForms":["Also called calcium channel blocker. "],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]}],"nearbyWordOrdinal":23817,"index-rank-01":["calcium blocker"],"index-rank-02":[],"index-rank-03":["calcium channel blocker"],"index-rank-04":["calcium blocker's","calcium blockers","calcium blockers'"],"index-rank-05":["calcium channel blocker's","calcium channel blockers","calcium channel blockers'"],"index-rank-06":[],"index-rank-07":[],"index-rank-08":[],"index-rank-09":[],"index-rank-10":[],"index-rank-11":[],"index-rank-12":[],"index-rank-13":[],"index-rank-14":[],"index-rank-15":[],"categoryId":"48","complexityScore":0.2966587374860307,"gradeLevel":"middle_school","tunaSlug":null,"isFeaturedMetaSlug":false}},"meta":{"arg":{"word":"calcium-blocker"},"requestId":"0idsOQGT1VGeRbmacbk1g","requestStatus":"fulfilled"}},{"type":"fetchSpellSuggestions/fulfilled","payload":{"data":{"luna":[],"tuna":["calcify","calcine","claim","calm","coliseum","callous","claims","callus","calamus","climb","clime","cultism","coal ice","calls up"],"lunaWithSlug":[],"tunaWithSlug":[{"displayForm":"calcify","slug":"calcify"},{"displayForm":"calcine","slug":"calcine"},{"displayForm":"claim","slug":"claim"},{"displayForm":"calm","slug":"calm"},{"displayForm":"coliseum","slug":"coliseum"},{"displayForm":"callous","slug":"callous"},{"displayForm":"claims","slug":"claims"},{"displayForm":"callus","slug":"callus"},{"displayForm":"calamus","slug":"calamus"},{"displayForm":"climb","slug":"climb"},{"displayForm":"clime","slug":"clime"},{"displayForm":"cultism","slug":"cultism"},{"displayForm":"coal ice","slug":"coal%20ice"},{"displayForm":"calls up","slug":"calls%20up"}]}},"meta":{"arg":{"word":"calcium-blocker"},"requestId":"I19hPex3r2CZ3slYweqZd","requestStatus":"fulfilled"}}]},"actionData":null,"errors":null}

calcium blocker

noun

Word of the Day