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":"5d3BX3VEs0hZ0eVFbq-nx","requestStatus":"fulfilled"}},{"type":"fetchWordsNearby/fulfilled","payload":{"data":{"before":[{"slug":"magnesium-sulfate","entry":"magnesium sulfate"},{"slug":"magnesium-trisilicate","entry":"magnesium trisilicate"},{"slug":"magnet","entry":"magnet"},{"slug":"magnetar","entry":"magnetar"},{"slug":"magnetic","entry":"magnetic"}],"after":[{"slug":"magnetic-anomaly","entry":"magnetic anomaly"},{"slug":"magnetic-bearing","entry":"magnetic bearing"},{"slug":"magnetic-bottle","entry":"magnetic bottle"},{"slug":"magnetic-bubble","entry":"magnetic bubble"},{"slug":"magnetic-card","entry":"magnetic card"}]}},"meta":{"arg":{"word":"magnetic-amplifier"},"requestId":"IFdP4-_-i5HYbCLnG6b-D","requestStatus":"fulfilled"}},{"type":"luna/fetchExampleSentences/fulfilled","payload":{"data":{"tdb":[],"gbg":[]}},"meta":{"arg":{"word":"magnetic-amplifier"},"requestId":"CV8Nw7V5X8qBi-XFD-zLY","requestStatus":"fulfilled"}},{"type":"fetchDictionaryResults/fulfilled","payload":{"slugs":[{"entries":[{"__typename":"Entry","audioPronunciations":[],"confusableNotes":[],"genderNotes":[],"grammarNotes":[],"headword":{"displayForm":"magnetic amplifier","slug":"magnetic-amplifier"},"idioms":[],"orderKey":99999010,"ordinal":10,"origin":null,"partOfSpeechBlock":[{"definitions":[{"antonymsConnection":{"edges":[]},"definitionSetChunks":"[{\"type\": \"def\", \"children\": [{\"text\": \"an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.\", \"type\": \"text\"}]}]","examples":[],"ordinal":1,"subdefinitions":[],"synonymsConnection":{"edges":[]}}],"inflectionSets":[],"labelSet":{"labelSetText":"Electricity."},"ordinal":1,"partOfSpeech":"noun"}],"pronunciationNotes":[],"pronunciationSet":null,"relatedFormSets":[],"sensitiveNotes":[],"spellingNotes":[],"synonymStudy":[],"usageAlerts":[],"usageNotes":[],"variants":[],"verbPhrases":[]}],"url":"magnetic-amplifier"}]},"meta":{"arg":{"slug":"magnetic-amplifier"},"requestId":"4USsk1H3Sky4_2MQU1IPz","requestStatus":"fulfilled"}},{"type":"fetchResultsData/fulfilled","payload":{"data":{"url":"magnetic-amplifier","displayForm":"magnetic amplifier","canonicalSlug":"magnetic-amplifier","content":[{"source":"luna","entries":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e6dcbf4.-1059","type":"normal","entry":"magnetic amplifier","entrySyllabified":"magnetic amplifier","entryVariants":[],"homograph":null,"pronunciation":null,"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":"Electricity."}],"origin":null,"originData":null,"supplementaryNotes":[],"variantForms":[],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]}],"nearbyWordOrdinal":93605,"index-rank-01":["magnetic amplifier"],"index-rank-02":[],"index-rank-03":[],"index-rank-04":["magnetic amplifier's","magnetic amplifiers","magnetic amplifiers'"],"index-rank-05":[],"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":"320","complexityScore":0.2876917521665228,"gradeLevel":"middle_school","tunaSlug":null,"isFeaturedMetaSlug":false}},"meta":{"arg":{"word":"magnetic-amplifier"},"requestId":"vJhZSZtiM3BvcOXQaZAjJ","requestStatus":"fulfilled"}},{"type":"fetchSpellSuggestions/fulfilled","payload":{"data":{"luna":[],"tuna":[],"lunaWithSlug":[],"tunaWithSlug":[]}},"meta":{"arg":{"word":"magnetic-amplifier"},"requestId":"qKPNM7k4HgGK7I4m4G6a8","requestStatus":"fulfilled"}}]},"actionData":null,"errors":null}

magnetic amplifier

noun

Word of the Day