Crossword clues for 1 to 1:EGGNOGRONI1 part vermouth, 1 part campari, 1 part soda water, and some sweetened dairy beverage?OPERANDEither 1, in the equation 1 + 1 = 2BELUSHIOnly person to have the #1 movie, #1 album and #1-rated late-night TV show all in the same weekSNAKEEYES1 + 1HERBALPERTOnly person to have a #1 song with a vocal performance as well as a #1 song with an instrumentalPOOR1 on a scale of 1 to 5, maybeSCALE1"=1', e.g.ODDS6:1 or 7:1, e.g., at a racetrackELECTRICIANTest subject #1 perceives 1 as brown, 2 as red, 8 as gray; maybe he works as an ...NORTHFORTHFORTSU-turn #1, part 1SERIES1, 1, 2, 3, 5, 8, 13 ..., e.g.ODDS1:15 or 1:30, e.g.MILS1,000 ___ = 1 inchRATIO4:1 or 1:5, e.g.SCALE1 inch = 1 mile, e.g.ADDENDEither 1 in "1+1"FIRSTADDITION1 + 1 = 2?AMERIESinger with the 2005 #1 R&B hit "1 Thing"FIBONACCISERIES1, 1, 2, 3, 5, 8, 13, 21, 34, and so onISSUEVolume 1, Number 1, for oneFACETake 1, clue 1ERRSay 1 + 1 = 3, saySHORTEWhat 1-Down has that 1-Across lacksMINThe 1 in {1,2,3}: Abbr.FIBONACCIMathematician behind the sequence 1, 1, 2, 3, 5 ...THEIn the beginning . . . (Genesis 1:1)WTC1 ___ (1,776-ft.-tall building)ACREArea of 1 chain x 1 furlongAWORDREARRANGED1-Across, vis-a-vis 1-DownTENANDAHALFChild born May 1, 2002, on Nov. 1, 2012ISSUESVolume 1, Number 1 and othersFIBONACCISERIES1, 1, 2, 3, 5, 8, 13, 21, etc.ATT1-800-CALL-___ (rival of 1-800-COLLECT)FLUKE1 in a 1,000,000 occurenceLIONELFirst name of the singer of a 1984 #1 hit with the same title as a 2015 #1 hitERATWord appearing three times in the Latin version of 40-Across 1:1CHOCOLATKEWith 38-Across, 2 parts half-and-half, 1 part creme de cacao, 1 part vodka, a splash of cocoa syrup, and a potato pancake?RATIO1:1, for oneERATIn principio __ Verbum: John 1:1TEENAGEDREAM*No. 1 Katy Perry album featuring the No. 1 song "Firework"TEST1-2-3, 1-2-3, e.g.ADDENDSThe 1 and 2 in 1 + 2 = 3CHAWith 1-Down and 1-Down, lively Latin danceONTHEROADAGAINNovember 1980 Billboard Hot Country Singles #1 hit by 1-/66 AcrossJLOAlbum that knocked the Beatles' "1" off the #1 spotMIN1 for the set {1, 2, 3}, in briefWINThe "1" in 1-9ACRE1 chain x 1 furlongMILS1,000 __ = 1 inchATT1-800-CALL-__: rival of 1-800-COLLECT