Answer: ada

AnswerCrossword Clue
ADANabokovian woman
ADADrillers' org.
ADAOrthodontist's org.
ADAFluoride-pushing org.
ADATooth-care org.
ADAOrg. that recommends flossing
ADANovel by Nabokov
ADAHeroine in "The Piano"
ADANicole in "Cold Mountain"
ADAMathematician Lovelace
ADAToothpaste-tube abbr.
ADAProgramming language named after a female computer science pioneer
ADAAbbr. on toothpaste
ADABoise's county
ADALeverson or Huxtable
ADANabokov book
ADACharlemagne's sister
ADANabokov's longest novel
ADA1969 Nabokov work
ADAComputer language named after the Countess of Lovelace
ADAAbbr. on a tube
ADAPalindromic city in Oklahoma
ADACritic Huxtable
ADALouise Huxtable
ADANabokov novel
ADAPalindromic city
ADAPalindromic computer language
ADAPeriodontist's gr.
ADAComputer programming language
ADACritic .. Louise Huxtable
ADAOklahoma city
ADACity in Oklahoma
ADAPascal-based language
ADAToothy group
ADAAuthor Huxtable
ADADriller's org.
ADAHelen Hayes role in "Airport"
ADANabokov heroine
ADAToothpaste tube letters
ADAComputer pioneer Lovelace (woo-hoo, women in tech!)