polymath
POL-ee-mathnounMeaning a person who knows a great deal about many different subjects
Memory hook POLY-MATH: MATH and MANY more. Ada knows math, music, maps, stars and many more subjects besides: she is a polymath.
A true polymath, Professor Edwin has written books on birds, bridges and old poems.
In context Ada was a polymath: she designed bridges by day, played the cello in the city orchestra by night and still found time to write a history of maps.
Similar Renaissance person, universal genius
Opposite specialist
From Greek polymathes, “having learned much”: poly (much, many) + manthanein (to learn), the same root as mathematics.