a·spher·ic 
(ā-sfîrĭk, ā-sfĕr-) also a·spher·i·cal (-ĭ-kəl)
(ā-sfîrĭk, ā-sfĕr-) also a·spher·i·cal (-ĭ-kəl)adj.
Varying slightly from sphericity and having only slight aberration, as a lens.
- tripeptide
- tripetalous
- trip hammer
- triphammer
- trip-hammer
- triphenylmethane
- triphibian
- trip-hop
- triphosphate
- triphosphopyridine nucleotide
- triphthong
- triphthongal
- tripinnate
- tripinnately
- triplane
- triple
- triple agent
- triple alpha process
- triple bond
- Triple Crown
- triple-decker
- triple-digit
- triple digits
- triple-double
- triple figure