Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "gerontological" in a sentence
"My therapist was a gerontological psychiatrist (it was the luck of the draw … she was the only person able to take a patient at the time) so I was by far the youngest person she saw."
"And Sarkozy is definitely a funny spokesman, since his margin of victory came from Le Penists and gerontological pieds noirs."
"As a nouveau septuagenarian, I arguably had a vested interest in gerontological issues."